By its contents. There is fiction and nonfiction. There is crime, fantazy, children stories and other categories.
horror
you can not classify this. How can you classify them?
We will classify this new species as a mammal.How do you classify this, Mister Burns?
why do we classify skills
You tell what something is if you classify it.
You classify plants by their reproduction.
You can classify them from how they are alike and how they are different.
The prefix of "classify" is "classi-".
She can classify any room! Let's classify these examples, then break for lunch.
division or dividing into a particular groups
A synonym for "classify" is analyze.
to tell what the angle is