坐标系

• 从(two people together)ASSOCIATIVE
• 土(earth; soil; land)RADICAL

Two people sitting down on the ground together — that is sitting.

• 木(wood; timber)RADICAL
• 示(sign; mark)PHONETIC

A wooden sign (标) is made from wood to display directions for everyone.

• 亻(person; human)RADICAL
• 系(link; bind)PHONO-SEMANTIC

People bound together create a relationship.