ضمیرها و تعیین‌کننده‌ها - ضمایر نسبی

used to refer to people or animals with names

used to refers to animals and things

used to introduce relative clauses that refer to people, animals, or things

used to refer to people in formal English, particularly when they are the object of a verb or preposition

used to show that the thing mentioned belongs to a particular person or thing

که