We can also go up and down abstraction levels at will. We can see a forest, then a tree, then a leaf. All different "objects", yet related. The ability to not

We can also go up and down abstraction levels at will. We can see a forest, then a tree, then a leaf. All different "objects", yet related. The ability to not distinguish each blade of grass in my yard and just see it all as "grass" is very useful for noticing and not stepping on what the dog left behind.