Does "more traditional locking" mean that the clients request locks? Isn't it already offered by PG with table-level and row-level locks, and also in an extrem

Does "more traditional locking" mean that the clients request locks? Isn't it already offered by PG with table-level and row-level locks, and also in an extremely flexible way (letting the client developer define the semantics) by pg_advisory_lock? https://www.postgresql.org/docs/current/explicit-locking.html https://www.postgresql.org/docs/current/explicit-locking.htm...