六角括号

• 亠(lid; cover)ASSOCIATIVE
• 八(eight; divide in two)ASSOCIATIVE

The numeral six like a roof placed over two strokes represents balanced division.

• ⺈(blade (upper part); blade edge (top))ASSOCIATIVE
• 用(use; employ)ASSOCIATIVE

A sharp horn like a knife blade is used for stabbing, resembling the pointed horn of an animal.

• 口(mouth; opening)RADICAL
• 丂(labored breathing; breathlessness)PHONETIC

A mouth releasing strong breath to call out a name or command.