1. Door: This is the most common meaning of "dar" and is used both literally and figuratively.
* Literal: "The door is open." (Dar baaz ast.)
* Figurative: "This is the door to success." (In ast kalid-e movafaqiyat.)
2. In: This meaning is used for location or time.
* Location: "The book is in the box." (Ketab dar qafeh ast.)
* Time: "He was born in 1990." (O dar sal 1369 be duniya amad.)
3. With: This meaning is used to indicate possession or accompaniment.
* Possession: "He is with his friends." (O ba dostanesh ast.)
* Accompaniment: "I went to the market with my mother." (Man ba madaram be bazaar raft.)
4. Have: This meaning is less common and used in some idiomatic expressions.
* "I have a car." (Man mashin daram.)
It's important to note that the meaning of "dar" can be determined by the context and the other words in the sentence.