The word "quite" has several meanings in English, and can be used in a variety of ways. Here are some of the most common meanings:
To a great extent; completely or absolutely. For example, you might say "I am quite tired" if you are very tired.
Not used with a negative to a noticeable or partial extent; somewhat. For example, you might say "She is quite pretty" if you think she is attractive.
In actuality; truly. For example, you might say "I thought the bag was heavy, but it was quite light" if you were surprised to find that the bag was not as heavy as you thought it would be.
Here are some examples of how to use "quite" in a sentence:
"Are you quite finished?"
"I am quite capable of doing it myself, thank you."
"They assured me that I was quite mistaken."
"We hadn't quite made up our minds."
"She's quite right, you know."
I hope this helps! Let me know if you have any other questions.