An X-test email is an internal send to your own team, checking formatting and content before a real campaign goes out.

A workflow is the actual visual structure of triggers, delays, and actions that makes an automation function.

A win-back campaign specifically targets lapsed customers who've stopped purchasing, whether or not they still open email.

A welcome email series is the automated sequence sent to new subscribers, consistently the highest-performing flow in email marketing.

A view in browser link opens a web version of an email, a fallback when the email client renders it poorly.

A vanity domain is a branded web address a business owns, used for memorable, trustworthy campaign links.