代名詞と限定詞 - ダミー代名詞と非人称代名詞

used in a sentence to fulfil a grammatical function without a clear antecedent for it to refer to

其れ

used to serve as a placeholder without referring to a specific noun

そこには

used to make general statements, express opinions, or provide advice without referring to specific individuals

1つ

used to refer to people in a general, unspecified manner, or to discuss hypothetical situations or scenarios

彼ら

used to address people in general, rather than referring to any specific individual

君