左轮手枪

• 工(work; tool)ASSOCIATIVE
• ⿸(hand; left hand stroke)ASSOCIATIVE

A left hand holding a tool to work is what we call "left."

• 車(vehicle; cart)RADICAL
• 侖(order; sequence)PHONO-SEMANTIC

A wheel spinning in regular circular order creates an unbroken round motion.

• 手(hand (pictographic))ASSOCIATIVE

The character 手 mimics the image of a hand with five fingers spread out.

• 木(wood; tree)RADICAL
• 仓(granary; grain storage)PHONETIC

Old guns were made of wood, and the sound is similar to "thương" (warehouse).