后台进程

• 口(mouth; door)RADICAL
• 后(behind; empress (figuratively—one who rules from behind))ASSOCIATIVE

A mouth giving orders from behind the golden throne is the authority of an empress.

• 厶(private; personal)ASSOCIATIVE
• 口(mouth; speech)RADICAL

A platform is where a person uses their mouth to speak privately in front of a crowd.

• 辶(step; move)RADICAL
• 井(well; water well)PHONETIC

To advance forward like taking quick steps toward a well to get water.