What is the use of frame?

Question

What is the use of frame?

Answer 1

frame helps you to make several different parts of webpage which you could use as a navigation bar, to let you know you may also use sections in Html5 for same reason.
If you understood mark this as an answer.

Answer 2

my immense gratitude. now I'm clear

Answer 3

Martin Taylor read better, I wrote "you may *also* use" that means that he doesn't has to combine it there are a lot of solutions...