We all started with the simplest thing: still life ..I found an interesting analysis by Will kemp.
Keep in mind, he is talking about just one approach, classical , or "worm eye view" and somehow forgot to mention other style of composition like "bird eye view with a very modern, contemporary, close-up idea. Anyway, you can see it for yourself. It's still a great, very informative article..
Are You Making Any of These 7 Compositional Mistakes with Your Still life Paintings?