光线追踪

• 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.

• 糸(thread; silk)RADICAL
• 泉(stream; water)PHONETIC

A thin thread flows like a small stream running long and continuously.

• 辶(step; move)RADICAL
• 㠯(use; with)PHONETIC

Feet stepping quickly following after someone else is the meaning of the character meaning to chase or pursue.