A third person point of view gives a narration of an activity been organised or participate by someone else of which narrator is not involved.
Take a look at this example;
As I saw the Principal address the new students, I remember ten years ago when I was just a student at DSC Technical High School, then I had little friends ....
The example above is a narration in the first person.
The greasers were poor but minded they're own business they had it rougher the socs were rich and were always having party's and looking for problems to start
In an essay that argues cats are better than dogs, the author might go into detail about how cats are easier to take care of considering they are proven to quickly learn how to use litterboxes and keep that trait their entire life once learned and managed.