What to keep, what?
Develop the habit of discarding the UML map, preferably, develop not to build the map in a medium habit that can be saved for a long time. in
Draw them on a whiteboard or a draft paper, often wipe off the whiteboard or discard the draft paper. One principle is not using Case
Tools or a drawing tool. These tools are only once, and most of your UML maps are short.
But some pictures are stored very useful:
