Where can I see every Accounts setting in one list?

Accounts → Settings opens on the Switchboard: every Accounts setting with its topic, the section that edits it, its default and its current value. Search by name, filter to essentials not yet set or settings changed from the default, and click a row to open the tab that owns it. It is read-only — a door, never a second editor. It also lists the Fleet and HMRC Dues settings, which live on those pages' own rails.