Not just single emails: see every step a brand sends, in order, with the day each one arrived after signup.
Onboarding sequences start at signup and walk new users to their first win: a welcome, then a few emails that each unlock one step. The typical one here has 3 emails over 5 days.
Abandoned cart sequences follow a shopper who left items behind: a quick reminder, then reassurance, sometimes an offer. The typical one here has 3 emails over 2 days.