Japanese Demonstratives: これ (Kore) • それ (Sore) • あれ (Are...
これ, それ, あれ, and どれ are a set of こそあど言葉 (ko-so-a-do words). They are equivalent to "this one," "that one," and "that one over there" in English. どれ is a question word to ask "Which one?" out of three or more choices.