处方药

• 夂(slow step; walk down slowly)RADICAL
• 卜(divination; fortune-telling)PHONETIC

A place is where people slow their steps to divine where they should stop and rest.

• 方(direction; perpendicular (pictograph—plow or boat with oar))ASSOCIATIVE

A plow or oar shape represents the concept of direction or region.

• 艹(grass; plant)RADICAL
• 约(promise; bind)PHONETIC

Medicine is made from grass and plants, sounding like "wish" or "promise".