Based on a quick Cmd+F this document doesn't explicitly define what 'Account deletion' must be. Does it just mean that the user does no longer exist on the app

Based on a quick Cmd+F this document doesn't explicitly define what 'Account deletion' must be. Does it just mean that the user does no longer exist on the app's frontend, but all data is retained? Or does it explicitly mean that all data relevant to that user is deleted?