The B2B sales glossary
The language of outbound, defined.
Clear, practical definitions of the cold calling, email outreach, lead generation, and sales development terms that actually move pipeline. Written by the team that runs outbound every day.
62 matching terms · 6 categories · Updated continuously
Open RatesOpen rates measure the percentage of sent emails that recipients actually open. In B2B sales development, open rates are a core deliverability and...
Open Rate SamplingOpen Rate Sampling is a testing approach in B2B email outreach where sales teams send emails to a smaller, representative subset of prospects to...
Open-to-Reply PercentageOpen-to-Reply Percentage is a cold email performance metric that measures how many recipients reply after opening your email. Calculated as replies...
Open TrackingOpen tracking is the process of measuring when a prospect opens a sales email, usually via an invisible tracking pixel that loads when images are...
Open Tracking PixelAn open tracking pixel is a tiny, invisible image (usually 1x1 pixel) embedded in an email to record when the message is opened, a technique used...
Opt-Out LinkAn opt-out link (unsubscribe link) is a clearly visible hyperlink in a B2B sales or marketing email that lets recipients stop or reduce future...
QualificationQualification is the process of judging whether someone or something meets a defined set of criteria. In B2B sales development, qualification means...
Qualified LeadA qualified lead is a B2B contact or account that fits your ideal customer profile and has shown clear buying intent, making them ready for focused...
Reply-to-Meeting PercentageReply-to-Meeting Percentage is a B2B outbound email metric that measures how effectively your team converts email replies into booked sales meetings....
Reply TrackingReply tracking is the process of automatically monitoring, capturing, and categorizing responses to outbound emails. In B2B sales development, it...
ResponderA responder is anyone who replies to a message, campaign, or survey. In B2B sales development, a responder is a prospect who answers an outbound...
Response CategorizationResponse categorization is the process of systematically tagging and classifying every reply (and key non-replies like bounces and auto-responses) to...
Sender IP AddressA sender IP address is the unique numerical address of the mail server that physically sends your B2B sales emails. In sales development and cold...
Sender ReputationSender reputation is the score mailbox providers assign to your domains and IPs based on how recipients and spam filters react to your emails. In B2B...
SMTPSMTP (Simple Mail Transfer Protocol) is the core internet protocol used to send email from one server or application to another. In B2B sales...
Soft BounceA soft bounce is a temporary email delivery failure where a valid address rejects a message for a short-lived reason, such as a full mailbox or an...
Spam FilterA spam filter is software that automatically identifies and blocks unwanted or suspicious emails before they reach the inbox. In B2B sales...
Spam KeywordA spam keyword is a word or phrase (often promotional, urgent, or “too good to be true”) that increases the likelihood a B2B sales email gets...
SPFSender Policy Framework (SPF) is an email authentication protocol published as a DNS TXT record that specifies which mail servers are authorized to...
SpoofingSpoofing is the practice of forging or manipulating identity details, such as an email From address, display name, caller ID, or domain, so a message...
Subject LineA subject line is the short line of text that appears in an email inbox and tells the recipient what the message is about. In B2B sales development,...
About this glossary
A working reference, not a textbook
The short version is on the surface. Open any question to go deeper.
It is a practical reference for the language of B2B outbound sales. Every entry explains a cold calling, email outreach, lead generation, or sales development term in plain English, with the context and best practices that actually matter when you run campaigns.
They come from the SalesHive team, the same strategists and SDRs who run outbound campaigns for thousands of clients every day. The goal is working knowledge you can apply, not textbook theory.
Search by name at the top of the page, filter by category, or browse the A to Z list below. Each term links to a full definition with key benefits, best practices, common challenges, and FAQs.
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