Deixis
n. [语](定冠词、指示代词等的)指示功能, 直示(系统)
🗣️ 情景例句
Particularly in the construction field.
特别是在建筑业。
I've never heard that piece before.Who wrote it?
我从来没听过那乐章，那是谁写的？
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。