There, their and they're all sound the same. There is for location and information. Their is possessive adjective for they. They're is a contraction for they are. The bathroom is over there give the location of the bathroom. Their is used to show ownership. You can show possession through proper names or by use of the word their. Their house is over there shows the possessive "their" and location "there." They're=they are. They're over there. They're at their house. The words and the meanings are all different.