A grammar term for words that point to something in context, such as これ, それ, あれ, この, その, あの, ここ, そこ, あそこ, and similar deictic expressions.
"Kore" and "sore" are demonstratives.
Japanese demonstratives distinguish proximal, medial, and distal reference.
こそあど is a colloquial term for the system of demonstratives based on the prefixes こ-, そ-, あ-, ど-; 指示語 is the formal grammar term.
level indicator
Compound of 指示 (しじ, 'pointing out, indication') and 語 (ご, 'word'). A straightforward modern coinage for the grammatical concept of demonstratives.