Reference
B2B outbound glossary
The short answer
This glossary defines the terms used across B2B outbound, cold email and sales development, in plain English and without assuming you already work in it. Each entry says what the term means, why it matters in practice, and links to the guide that covers it properly.
Key takeaways
- 136 terms defined, grouped by the part of outbound they belong to.
Email and deliverability
Authentication, sender reputation, bounces and the mechanics of whether a message arrives at all.
- ARC Authentication
- ARC, or Authenticated Received Chain, is a protocol that preserves SPF and DKIM results across intermediaries such as forwarders and mailing lists.
- BASHO Email
- A BASHO email is a short, highly personalised cold email built on one piece of research about the individual recipient rather than their company.
- BIMI
- BIMI is a specification letting a domain publish a brand logo in DNS that mailbox providers may display beside its mail, once DMARC is enforced.
- Catch-all Domain
- A catch-all domain is a domain configured to accept mail addressed to any mailbox at it, including mailboxes that do not exist. Also called accept-all.
- Click-Through Rate
- Click-through rate is the proportion of people shown something who click it: clicks over impressions in advertising, or over messages delivered in email.
- Custom Tracking Domain
- A custom tracking domain is a domain you control, pointed at your sending platform, that hosts the click and open tracking links inside your emails.
- Dedicated IP
- A dedicated IP in email sending is an outbound address used by one sender only, so its reputation reflects that sender behaviour and nobody else.
- Disposable Email
- A disposable email address is an address created for short-term throwaway use, built to receive one message and then be abandoned so a real inbox stays private.
- DKIM
- DKIM is an email authentication standard that signs a message with a private key so receivers can verify the sending domain via a DNS public key.
- DMARC Policy
- A DMARC policy is the p tag in a domain's DMARC record, instructing receiving servers to take no action, quarantine, or reject mail that fails DMARC.
- Domain Age
- Domain age is the time since a domain was first registered, used in email as a rough proxy for how established a sender is. It is a proxy, not a cause.
- Domain Reputation
- Domain reputation is the receiving side's accumulated judgment of the domain in your From address, held and applied separately by each mailbox provider.
- Email Authentication
- Email authentication is the set of DNS records, SPF, DKIM and DMARC, that let a receiver verify a message really came from the domain it claims.
- Email Deliverability
- Email deliverability is whether sent mail reaches a place the recipient will see it, rather than being refused, discarded, or filed into the spam folder.
- Email Throttling
- Email throttling is the deliberate limiting of the rate at which email is sent or accepted, applied either by the receiving provider or by the sending side.
- Envelope Sender
- The envelope sender is the address declared in the SMTP MAIL FROM command, invisible to the recipient, checked by SPF, and the destination for bounces.
- Greylisting
- Greylisting is a technique where a mail server temporarily refuses a message from an unfamiliar sender and accepts it when the sender retries.
- Hard Bounce
- A hard bounce is a permanent delivery failure in which the receiving mail server refuses the message with an SMTP 5xx reply and no retry is expected.
- Inbox Placement
- Inbox placement is where a delivered message actually lands, in the primary inbox, a secondary tab, or spam, expressed as a share of delivered messages.
- Inbox Rotation
- Inbox rotation is the practice of distributing a campaign's sending volume across multiple mailboxes so no single mailbox carries all of the messages.
- IP Reputation
- IP reputation is a receiving system private, running judgment of the mail sent from an address, built from volume, bounces, complaints and engagement.
- List Hygiene
- List hygiene is the ongoing practice of verifying addresses before use, removing failures, honouring bounces and opt-outs, and re-checking a list as it ages.
- Mailbox Provider
- A mailbox provider is the operator of the mail service that receives, filters and stores mail for a recipient, and therefore decides where a message lands.
- MTA-STS
- MTA-STS is a standard letting a domain publish a policy requiring senders to deliver mail over TLS to named hosts, with no silent downgrade permitted.
- MX Record
- An MX record is the DNS entry naming which mail server receives email for a domain, with a preference number setting the order servers are tried in.
- No-Reply Email Address
- A no-reply email address is a sender address whose mailbox is unmonitored or refuses incoming mail, so a recipient who answers reaches nobody at the company.
- One-Click Unsubscribe
- One-click unsubscribe is a mechanism where a recipient opts out from their mail client via a single HTTP POST to a URL published in the headers.
- Open Rate
- Open rate is the share of delivered messages recorded as opened, measured by logging requests for a tracking pixel embedded in the message body.
- Plain Text Email
- A plain text email is a message sent as unformatted text with a MIME type of text/plain, carrying no HTML markup, images, styling or tracking pixel.
- Return-Path
- Return-Path is the header a receiving server writes at delivery, recording the envelope sender address that bounces and delivery notifications return to.
- Role-based Email
- A role-based email address identifies a function or department rather than a named person, such as info@, sales@, support@, admin@ or contact@ at a company.
- Sender Reputation
- Sender reputation is a receiving provider's overall judgment of you, composed of your domain and IP reputation plus authentication and complaint history.
- Sending Domain
- A sending domain is the domain that identifies a message's sender, carries its SPF, DKIM and DMARC records, and accumulates the reputation receivers judge.
- SMTP Relay
- An SMTP relay is a mail server that accepts a message and passes it on toward its destination rather than delivering it into a mailbox it hosts.
- SMTP Reply Codes
- An SMTP reply code is the three-digit number a receiving mail server returns to each command, and its first digit says how the sending client should respond.
- Soft Bounce
- A soft bounce is a delivery failure the receiving mail server reports as temporary, using an SMTP 4xx reply, so the same message can be attempted again.
- Spam Complaint Rate
- Spam complaint rate is the share of delivered messages that recipients actively mark as spam, as reported by the receiving provider's own feedback surface.
- Spam Filter
- A spam filter is any system inspecting incoming email and deciding whether it reaches the inbox, a junk folder, quarantine, or is refused outright.
- Spam Score
- A spam score is a numeric value a filter or testing tool assigns to a message, estimating how likely it is unwanted, against a threshold that marks it spam.
- Spam Trap
- A spam trap is an email address that exists only to catch senders mailing people who never consented, run by blocklist operators and mailbox providers.
- SPF Flattening
- SPF flattening replaces the lookup-causing terms in an SPF record with the literal IP addresses they resolve to, keeping it under the ten-lookup limit.
- SPF Record
- An SPF record is a DNS TXT record listing the servers permitted to send mail using a domain, which receivers check against the connecting server.
- Spintax
- Spintax is a braces-and-pipes notation for writing alternative wordings inside one message, so a sending system can vary the text per recipient.
- Suppression List
- A suppression list records addresses and domains a sending programme must never contact again, checked automatically before every campaign is sent.
- Transactional Email
- A transactional email is an automated message sent to one recipient because of an action they took, carrying information that recipient is expecting.
Go-to-market and sales
Pipeline, qualification, sales process and the vocabulary of a revenue team.
- Account Executive
- An account executive is a salesperson who owns opportunities from the first real conversation through to a signed contract, and is measured on revenue.
- Account-Based Selling
- Account-based selling is a sales approach that treats a chosen set of named companies as the unit of work, reaching the buying group inside each one.
- Activity Quota
- An activity quota is a target for the number of sales actions a person completes in a period, such as calls or meetings booked, rather than revenue.
- AI-Guided Selling
- AI-guided selling is software that watches a sales process and recommends a seller's next action inside the tools that seller already works in.
- Annual Contract Value
- Annual contract value is the recurring revenue a single customer contract is worth over one year, stated separately from total contract value and from ARR.
- Annual Recurring Revenue
- Annual recurring revenue is the contracted subscription revenue a company would bill over twelve months, measured at a single point in time.
- B2B Lead Generation
- B2B lead generation is the work of finding companies that could buy, identifying the people who decide, and producing a conversation with one of them.
- B2C CRM
- A B2C CRM is customer relationship management software for selling to individual consumers at volume, built around the person rather than a company account.
- BANT
- BANT is a sales lead qualification checklist of four questions: does the prospect have Budget, Authority, a genuine Need, and workable Timing.
- BDR Sales
- A BDR, or business development representative, is a sales seat that creates qualified conversations at the front of a process rather than closing deals.
- Buyer Engagement
- Buyer engagement is the measurable activity a buying group produces in response to a seller, counted on what the buyer chose to do rather than on what was sent.
- Buying Committee
- A buying committee is the set of people inside an organisation whose agreement a B2B purchase requires, whether or not they are a formally named group.
- Challenger Sale
- The Challenger Sale is a sales methodology from the 2011 Dixon and Adamson book, built on teaching a buyer a new view of their own business and tailoring it.
- Channel Partner
- A channel partner is an independent company that sells, implements or supports another company's product for end customers in exchange for margin or fees.
- Churn Rate
- Churn rate is the proportion of customers, or of recurring revenue, lost over a stated period, divided by the base at the start of that period.
- Closing Ratio
- Closing ratio is the share of sales attempts that end in a closed deal, counted from a base that starts earlier in the process than an opportunity does.
- Cloud-Based CRM
- A cloud-based CRM is customer relationship management software the vendor hosts and operates on its own infrastructure, reached by the buyer over the internet.
- Commission Plan
- A commission plan is the written agreement setting how much of a seller's pay depends on results, what those results are measured on, and when it is earned.
- Conversion Rate
- A conversion rate is the share of one population that reaches a defined next state, so it carries no meaning until the starting and ending events are named.
- CRM Analytics
- CRM analytics is the derived layer over CRM records that claims a relationship between two or more queries, such as a conversion ratio or a projection.
- CRM Basics
- A CRM is the shared record of the companies and people a business sells to, holding accounts, contacts, opportunities and contact history in one system.
- CRM Reports
- A CRM report is a saved query over CRM records, rendered as a table or a chart, with a filter deciding which records count and a grouping setting the question.
- Deal Intelligence
- Deal intelligence is the practice of assessing an open sales opportunity from the evidence the deal produced rather than from the seller's own assessment.
- Demand Generation
- Demand generation is the marketing work that creates awareness and interest in a category among buyers who are not yet actively shopping for a solution.
- Discovery Call
- A discovery call is the first substantive sales conversation, held to establish whether a real problem exists and whether this company is one you can serve.
- Economic Buyer
- The economic buyer is the person who can release the money for a purchase, distinct from the user, the technical evaluator and the internal champion.
- Founder-Led Sales
- Founder-led sales is the phase in which the founder personally runs outreach, discovery, pricing and closing, before a dedicated sales team exists.
- Inbound Lead
- An inbound lead is a person who initiated contact with your company rather than being contacted first, through search, content, an event or a referral.
- Lead Management
- Lead management is the process carrying a lead from creation through qualification, prioritisation, routing and nurturing to an opportunity or a recorded no.
- Lead Nurturing
- Lead nurturing is the practice of keeping up scheduled contact with people who have identified themselves but have not yet bought anything from you.
- Lead Qualification
- Lead qualification is the process of deciding whether a lead is worth a salesperson's time, and on what evidence, by splitting fit from readiness.
- Lead Response Time
- Lead response time is the elapsed time between a lead arriving and a person making the first contact attempt, split across a processing leg and a response leg.
- Lead Scoring
- Lead scoring is the practice of assigning a numeric value to each lead, built from fit attributes and behavioural signals, so a team works them in order.
- Lead Source
- A lead source is the field on a lead or contact record naming where that person first came from, set once at creation and reported on ever after.
- LTV to CAC Ratio
- LTV to CAC ratio is the lifetime value of a customer divided by the cost of acquiring one, expressed as a dimensionless multiple such as four to one.
- Market Segmentation
- Market segmentation is the practice of dividing a market into groups similar enough to approach the same way and different enough to need a different one.
- MEDDIC
- MEDDIC is a B2B sales qualification framework of six checks an open deal must satisfy before a seller can treat it as genuinely forecastable.
- MEDDPICC
- MEDDPICC is an eight-check enterprise sales qualification framework that extends MEDDIC with two further tests: Paper Process and Competition.
- Multi-Touch Attribution
- Multi-touch attribution is a family of rules that divides credit for one conversion across several recorded touchpoints rather than a single one.
- NEAT Selling
- NEAT Selling is a sales qualification and discovery framework built on Need, Economic Impact, Access to Authority and Timeline, worked in any order.
- Net Revenue Retention
- Net revenue retention is what an existing cohort of customers is worth at the end of a period against the start, excluding all new customers.
- Outbound Lead Generation
- Outbound lead generation is the practice of starting sales conversations with people who have not contacted you first, by choosing them and reaching out.
- Outbound Marketing
- Outbound marketing is marketing in which a company initiates contact and pushes its message toward an audience that did not ask to receive it.
- Outbound Sales
- Outbound sales is the motion in which a seller initiates contact with a company that has not asked to hear from them, on a premise about that company.
- Outsourced Sales
- Outsourced sales is the practice of paying an external company to do part of your selling: targeting, opening conversations, or closing deals.
- Pipeline Coverage
- Pipeline coverage is the ratio of open opportunity value to the revenue target for a given period, usually quoted as a multiple such as three to one.
- Pipeline in Business
- A pipeline in business is a named sequence of stages that things move through toward a finished outcome, with a count and a value attached at every stage.
- Positioning Statement
- A positioning statement is a short internal sentence fixing who a product is for, its category, its differentiator, and why that is believable.
- Product-Led Growth
- Product-led growth is a go-to-market model where the product itself acquires, converts and expands customers, rather than a sales team doing it.
- Product-Led Sales
- Product-led sales is a go-to-market motion where people use the product first and a seller enters afterwards on the strength of what that usage shows.
- Qualified Appointment
- A qualified appointment is a booked meeting satisfying criteria both parties agreed in writing before outreach began, and the unit per-meeting pricing bills.
- Quota Attainment
- Quota attainment is the share of an assigned sales quota that a seller or team achieves in a period, reported as a percentage of the number they carried.
- Ramp Time
- Ramp time in sales is the interval between a new seller starting and reaching the productivity expected of the role, measured to a chosen milestone.
- Reseller
- A reseller buys products or services to sell on to its own customers at a margin, acting as an indirect channel partner rather than as an end user.
- Revenue Acceleration
- Revenue acceleration is the cross-functional effort to shorten the time between a buyer first encountering a company and that company being paid.
- Revenue Enablement
- Revenue enablement is the discipline of equipping every customer-facing team, not only sellers, with the knowledge, content and process support they need.
- Revenue Marketing
- Revenue marketing is marketing run and measured against pipeline and closed revenue rather than against leads, downloads and website traffic.
- Sales Analysis
- Sales analysis is the systematic reading of a team's own sales records to answer a stated question about what closed, why, where deals stop and what comes next.
- Sales Artificial Intelligence
- Sales artificial intelligence is the use of machine-learning models in a sales motion to research accounts, draft messages, classify replies and score deals.
- Sales Champion
- A sales champion is a person inside a buying organisation who wants the purchase to happen, can influence others internally, and has a personal stake in it.
- Sales Cycle
- A sales cycle is the elapsed time from the start of a sales opportunity to its close, and the stages the opportunity passes through on the way.
- Sales Effectiveness
- Sales effectiveness is the share of the opportunities, meetings and conversations a sales team is given that reach the outcome they were meant to reach.
- Sales Forecast
- A sales forecast is an estimate of the revenue a team expects to close in a future period, built from open pipeline and a judgment about which deals land.
- Sales Personalization
- Sales personalization is the practice of shaping an outbound message around a specific, checkable fact about the recipient's company or role, so the argument applies to them rather than to their segment.
- Sales Pipeline
- A sales pipeline is the set of open opportunities a sales team is currently working, each carrying a deal value, a stage, and an expected close date.
- Sales Qualified Lead (SQL)
- A sales qualified lead, or SQL, is a lead that a salesperson has examined and accepted as worth working, against criteria agreed in advance.
- Sales Qualified Opportunity
- A sales qualified opportunity is a prospect sales has accepted into the pipeline as a real, forecastable deal, one stage beyond a sales qualified lead.
- Sales Velocity
- Sales velocity is opportunity count multiplied by average deal value and win rate, divided by average sales cycle length, giving revenue per unit of time.
- Serviceable Addressable Market
- The serviceable addressable market is the share of a total market your product can serve and your business can reach, given real constraints.
- SPIN Selling
- SPIN Selling is a questioning method from Neil Rackham's 1988 book that orders sales discovery as Situation, Problem, Implication and Need-payoff questions.
- Territory Planning
- Territory planning is the allocation of accounts and markets among sellers by geography, segment, named account or product line, usually set once a year.
- Total Addressable Market
- Total addressable market is the whole revenue opportunity for a product, assuming every organisation with the problem buys it and nothing limits your reach.
- Transactional Selling
- Transactional selling is a sales approach organised around closing an individual purchase quickly, with little diagnosis of the buyer's wider situation.
- Win Rate
- Win rate is the share of sales opportunities that ends in a closed deal, expressed as a percentage over a chosen denominator and a chosen period.
Data and tooling
Enrichment, matching, routing and the data layer underneath an outbound programme.
- Agentic Workflow
- An agentic workflow is one where a model, given a goal and a set of tools, chooses which step to run next, so the control flow is decided at run time.
- CRM Enrichment
- CRM enrichment appends missing or stale attributes to records you already hold: fields such as job title, headcount, industry or domain, from an outside source.
- Data Decay
- Data decay is the rate at which stored contact and company attributes stop being true, through job changes, acquisitions, retired mailboxes and moved domains.
- Data Hygiene
- Data hygiene is the practice of keeping CRM records accurate, deduplicated and consistently formatted enough that a segment query returns the set you meant.
- Email Permutation
- Email permutation generates the plausible mailbox formats for a person at a known domain and tests which one exists, rather than looking the address up.
- Firmographic Data
- Firmographic data is the descriptive attributes of a company rather than a person: industry, headcount, revenue, location, ownership structure and entity type.
- Hiring Signal
- A hiring signal is a public job posting read as evidence that a company has a budgeted problem, is building a function, or is about to change how it operates.
- Intent Data
- Intent data is behavioural information showing that an identified company or person has recently researched a topic more than its own normal level.
- Lead List
- A lead list is a structured set of contact records built for one campaign, each row carrying an identity, a reachable address and the attributes the copy uses.
- Lead Routing
- Lead routing is the automated assignment of an inbound lead, reply or booking to a specific owner, using rules evaluated the moment the record arrives.
- Match Rate
- Match rate is the share of records submitted to a data provider for which the provider returns the attribute you asked for, quoted as a percentage of rows sent.
- Open Profile
- Open Profile is a LinkedIn Premium setting. Switching it on lets any LinkedIn member message the subscriber for free, with no InMail credit and no connection.
- Record Matching
- Record matching decides whether two rows in two systems refer to the same person or company, so the pair can be merged into one record instead of duplicated.
- Round-Robin Assignment
- Round-robin assignment distributes incoming records to a pool of owners one at a time in a fixed rotation, so that each owner receives an equal count.
- Sales Data
- Sales data is everything a revenue team holds about the market it sells into and about its own selling activity, from bought attributes to its own outcomes.
- Social Selling Index
- The Social Selling Index is LinkedIn's 0 to 100 score for a member, built from four areas: professional brand, finding people, insights and relationships.
- Technographic Data
- Technographic data describes the technologies a company uses, from website platform to analytics and CRM, treated as a targeting attribute in its own right.