投光灯

• 扌(hand)RADICAL
• 殳(weapon for throwing/striking)PHONO-SEMANTIC

A hand holding a weapon thrown forward is the motion of surrender or attack.

• ⺌(small light radiating upward)ASSOCIATIVE
• 兀(standing person; upright person)ASSOCIATIVE

Light shining down from above a person standing upright creates the image of 光, meaning light.

• 火(fire)RADICAL
• 丁(nail; peg)PHONETIC

A lamp uses fire to shine brightly, and its sound reading is suggested by the component ding.