Darwin glossary - Darwin

Term	Meaning
Workspace	One organization’s assistant, members, knowledge, data, settings, and billing.
Launcher	The floating button that opens the chat.
Opening / teaser	The message beside the launcher that invites a visitor to engage.
Welcome experience	The greeting and suggested questions inside the opened chat.
Knowledge	Readable website pages and business context available to the assistant.
Control / original	The opening against which challengers are compared in an experiment.
Variant / challenger	An alternative opening or eligible reply-button copy in a test.
Impression	A recorded exposure to an opening variant.
Promotion	Applying a selected winner as the live opening for its target.
Baseline	The current starting copy for a page; it can carry discounted historical evidence.
Generation	A step in a page’s sequence of tests and improved openings.
Page group	Related paths that share an opening and test under a target pattern.
Expected-value lift	Relative improvement in Darwin’s weighted outcome measure; not a guaranteed meeting-rate increase.
Captured contact	A visitor whose contact details were collected, whether or not they booked.
Recorded meeting	A booking outcome recorded against a conversation.
Billable booking	A verified, Darwin-attributed booking accepted into the usage ledger.
Included booking	A booking covered by a plan allowance instead of an overage charge.
Optimized page	A page counted within the workspace’s optimization allowance.
Private review / mock preview	A setup or testing state that does not prove production activation is complete.