1. 棱角：辟邪 talisman | 棱角 pointedness | 对联 couplet

2. 指向/强调：pointedly /尖地/尖刻地/率直地/ | pointedness /指向/强调/ | pointer /指示物/教鞭/暗示/指针/

noun

1. the quality of being obviously directed at a particular person or thing

e.g. the pointedness of his sarcasm was unmistakable

2. the property of a shape that tapers to a sharp tip

Synonym: point