Questions about example sentences with, and the definition and usage of "Glnace"

A: Glance as in look a certain direction.
His glance was cold. He glanced in her direction.
If you say “take a short glance” it has the same meaning as “take a peek”
Take a peek means to shortly look at something or someone.
He took a peek at his presents. I’m going to take a peek at the cookies my mother baked for the party.