Make a list of any aspect of music that you would like to learn about or practice, whether it's about the actual physical movements, whether it's musical, or whether it's anything else under the sun that is personal to you. Systematically explore these exercises to see if they help with a particular aspect on your list. You can either take a particular item(s) from your list and try to find it in each exercise, or take each exercise and find which items on your list it helps you with (or brings to your attention anew). Make a note or keep a journal of which ones help you with what.
If you do not already know how to make a list, sit at a desk away from the piano with enough time allotted to hear your own mind speak and reason all the way through a particular line of thinking. Begin writing ideas down without judgement - your actual exploration of exercises can be a time of trial and error, and you can add to the list or cross items off as needed. But one way or another, give yourself time to think and plan. If you really cannot find something to write down, you may find that you'd like to read at least a portion of a book (or watch a YouTube, or read the forum here) to get some ideas, before you go to the piano.