To me, a mandala is about figuring out the unique characteristics of your "soul"
I put the word "soul" in quotes, because I don't want to put a particular believe on you.
I refer to "soul" as the thing which remains across time as you change and evolve through life
And the mandala is sort of the result of how you organize and Order up your life.
These are things I barely understand, but working on it. Here is something I made on a wall years ago:
To give you a sense of the size of it here is this other picture:
I worked with children and did consulting in education from 28 to 30
Go to the comments to see more pictures from that time