Sales funnel glossary: the terms that decide funnel results
What does this sales funnel glossary cover?
It covers four groups of terms: funnel structure (sales funnel, lead magnet, VSL), offers (tripwire, self-liquidating offer, order bump, upsell and downsell), traffic and tracking (Meta Pixel, Conversions API, cost per lead) and follow-up and AI (speed to lead, show rate, CRM pipeline, AI voice agent, GoHighLevel snapshot).
- What is a sales funnel? Definition and examplesWhat is a sales funnel? A plain definition, the stages from ad to sale, real examples from $1.52M and $847K funnels, and the mistakes that leak revenue.
- Tripwire offer: definition, pricing and real examplesA tripwire offer is a low-priced first purchase that turns leads into buyers. Definition, pricing, a real $27 example and the mistakes that kill margin.
- Self-liquidating offer: definition, formula and exampleA self-liquidating offer is a front-end funnel whose sales cover its ad spend. Definition, the break-even formula and a real 112% day-zero example.
- Order bump: definition, pricing and examplesAn order bump is a one-click add-on on the checkout page. Definition, how to price it, a real $17 bump on a $27 product, and the mistakes to avoid.
- Upsell vs downsell: definitions and examplesUpsell vs downsell explained: what each one is, where they sit in a funnel, real low-ticket examples and the mistakes that cost you average order value.
- What is a VSL? Video sales letter definition and examplesWhat is a VSL? A video sales letter defined: how it works, the script structure, a real $1.52M VSL funnel example and the mistakes that lower bookings.
- Lead magnet: definition, types and examplesA lead magnet is a free resource traded for contact details. Definition, the types that convert best, real cost-per-lead examples and common mistakes.
- What is speed to lead? Definition and benchmarksWhat is speed to lead? The time from form fill to first contact. Definition, how to measure it, our 38-second median across 60+ deployments, and mistakes.
- Show rate: definition, formula and how to improve itShow rate is the share of booked calls that happen. The formula, what counts as good, how 3-channel reminders reach up to 88%, and mistakes to avoid.
- What is Conversions API? Definition and how it worksWhat is Conversions API? Meta's server-side tracking explained: how it works with the Pixel, which events to send, deduplication, and a 31% event lift.
- Meta Pixel: what it is and how it tracks your funnelThe Meta Pixel is browser code that reports funnel events to Meta. Definition, standard events, how it pairs with Conversions API, and setup mistakes.
- CRM pipeline: definition, stages and examplesA CRM pipeline tracks every lead from new to won. Definition, stages for a booked-call funnel, conversion math between stages, and the mistakes to avoid.
- What is an AI voice agent? Definition and examplesWhat is an AI voice agent? Software that calls, qualifies and books leads by phone. How it works, real costs per booking, and the mistakes to avoid.
- GoHighLevel snapshot: definition and how agencies use itA GoHighLevel snapshot copies a full account setup into a new sub-account. What it includes, how agencies use it, a real example and common mistakes.
- What is cost per lead? Formula, benchmarks and examplesWhat is cost per lead? The CPL formula, real benchmarks from $4.27 roofing leads to $24 at volume, and why the cheapest lead is not always the best lead.
Funnel structure
These terms describe the shape of a funnel: how a stranger becomes a lead and how the lead is moved toward a sale.
- Sales funnel: the sequence of steps that turns ad traffic into leads, calls and customers.
- Lead magnet: the free resource, quiz result or estimate you trade for contact details.
- VSL (video sales letter): a scripted video that sells the offer or the call before the prospect books.
If you want a funnel built rather than defined, start with our sales funnel agency page or the guide to sales funnel stages.
Offers and order value
Offer terms explain how a funnel pays for its own ads and raises the value of every buyer.
- Tripwire offer: a low-priced first purchase that turns a lead into a customer.
- Self-liquidating offer: a front end built so revenue covers the ad spend that bought it.
- Order bump: a checkbox add-on on the checkout page.
- Upsell and downsell: the one-click offers shown after the first purchase.
All four appear in our $847K low-ticket funnel case study, which pairs a $27 product with a $17 bump.
Traffic and tracking
Tracking terms decide whether the ad platform learns who buys or only who clicks.
- Meta Pixel: the browser code that reports page views, leads and purchases to Meta.
- Conversions API: the server-to-server connection that sends the same events, plus offline ones, without relying on the browser.
- Cost per lead: ad spend divided by leads, the first number most funnels are judged on.
Our Conversions API setup service connects both, and the cost per lead calculator shows what your numbers mean.
Follow-up, CRM and AI
Most funnels lose value after the form. These terms describe the systems that recover it.
- Speed to lead: the time between a form submission and the first contact.
- Show rate: the share of booked calls that actually happen.
- CRM pipeline: the stages a lead moves through from new to won.
- AI voice agent: software that calls, qualifies and books leads by phone.
- GoHighLevel snapshot: a saved copy of a full account setup that loads into a new sub-account.
See how they connect in speed-to-lead automation, AI voice agents and CRM automation.
How to use this glossary
Read the definition at the top of each page for the short answer. Read the example if you want to know what good numbers look like, because every figure comes from a documented client result rather than an industry survey. Read the common mistakes section before you build, since most of them cost money only after launch. When a term has a calculation, such as show rate or cost per lead, the formula is written out so you can check your own dashboard. For a full set of metrics to track, use the funnel KPI dashboard template.

