classification/division essay

How do I write a classification/division essay?

I’m doing mine on various types of travelers you’d find in an airport.

Classification/division essay?

which topic should i pick .. emotions, personalities, or something simple like movies? And how can i classify each one?

Classification/Division essay?

What are some good topics that I can do a Classification and Division essay on? I have to have a thesis and everything. Seeing this is my first time doing one of these I am at a complete loss and any help would greatly appreciated.