坐标空间

• 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.

• 穴(row; gap)RADICAL
• 工(craftsman; work)PHONETIC

An empty cave with nothing inside is just hollow space.

• 門(door; leaf)RADICAL
• 日(sun; light)ASSOCIATIVE

A beam of sunlight shining through a crack in the door creates the empty space in between.