It is a matter of word definitions, really. E.g. a team may call a "best practice" something that they repeatedly mention as "keep doing" on a retrospective and

It is a matter of word definitions, really. E.g. a team may call a "best practice" something that they repeatedly mention as "keep doing" on a retrospective and maintain the list of them. It's just what works well and what's reproducible and not something to be canonized in a holy book.