It still surprises me that mentees hear very general advice from “mentors” in a corporate setting. (Mentors in the loosest sense of the word. They are slightly higher on the org chart than you - see reverse the org chart).
It benefits the organisation to give very general feedback. No one will ever know if you have achieved it or not by your next annual review. They keep their downsizing options open.
You know you are talking to someone experienced when they can break it down for you. If there is not something you can do daily, then it is not actionable.
Push your boss to turn their feedback into a daily habit and find out if they are good or lucky.