matter; affair; case; item; subject ; counter for (received) emails, text messages, voicemail messages, etc. ; counter for accounts (on a website, email service, etc.)
flow (of a fluid or gas); stream; current ; flow (of people, things); passage (of time); tide; passing; (changing) trends; tendency ; course (of events); (step-by-step) procedure; process ; group of people who remain together after the end of an event ; descent; ancestry; school ; forfeiture; foreclosure ; cancellation ; drifting; wandering; roaming