A project groups several employees around one goal and gives every task inside it shared context — what one employee learns, the next one already knows.
From the Projects page: name it, describe the goal — what done looks like; every task on the project is briefed with it — and add members. A project may start memberless; it just can't take work until it's staffed.

Assign work directly from the project and the outcome is noted back onto it automatically. Older notes fold into one rolling summary, so the context stays sharp instead of growing endless. Onboarding a client, a launch, a rebrand — anything with many steps benefits.
Everything the project's runs produce is listed in the project's Files section — the deliverables of the whole initiative in one place, each file one click from its editor and its producing run.
A workflow can be attached to the project — in the workflow editor, or by asking the manager. Every step then runs with the project's context, reports its outcome back as a note, and its files land here. Attached automations are listed on the project page; a one-time initiative is simply a project plus a manual workflow run once.
A project is Active (takes new work), Completed or Archived (both stop taking new work). Set the status on the project's page.