背包游

• 北(north)PHONETIC
• ⺼(flesh; body)RADICAL

The back is the meat on the rear side, like facing north with your back turned away from the sun.

• 勹(wrap; envelop)RADICAL
• 巳(fetus; thing inside)ASSOCIATIVE

A protective wrapper embraces a living creature inside, like a covering that shields and guards.

• 氵(water; liquid)RADICAL
• 斿(flag flutter; pennant wave)PHONETIC

Water flowing like a flag fluttering in the wind evokes the image of swimming and wandering.