"THERE", "THEIR", and "THEY'RE"

"There" refers to a place. "Their" indicates possession. "They're" is a contraction for "they are." Ex.: There is a beautiful garden. Their house is nearby. They're going for a walk.

"QUIET" and "QUITE"

"Quiet" means silent or calm. "Quite" is used for emphasis or degree. Ex.: The library is very quiet. The movie was quite entertaining.