(To) or (for) ka kaise kaise use krna h?

To# Used to indicate the place, person, or thing that someone or something moves toward, or the direction of something: I am heading to the entrance of the building. The package was mailed to Mr. Kim yesterday. All of us went to the movie theater. Please send it back to me. For# Used to indicate the use of something: This place is for exhibitions and shows. I baked a cake for your birthday. I put a note on the door for privacy. She has been studying hard for the final exam. Used to mean because of: I am so happy for you. We feel deeply sorry for your loss. For this reason, I’ve decided to quit this job.