事实根据

• ⼅(hook; fishhook)RADICAL
• 口(mouth; speech)ASSOCIATIVE
• 彐(hand holding brush)ASSOCIATIVE

Using your hand to hold a brush and write down important spoken words from beginning to end is work.

• 木(tree; wood)RADICAL
• 艮(firm; stop)PHONETIC

A tree's root is the hard, solid wood that lies deep underground and never moves.

• 扌(hand; arm)RADICAL
• 居(dwell; occupy)PHONO-SEMANTIC

Using your hand to seize and hold a place means to grasp it firmly, making it your base.