- 是正 — correction; rectification
- 是非 — right and wrong; pros and cons; by all means
- 国是 — national policy; national principle
- 社是 — company creed; corporate motto
- 是認 — approval; acknowledgment
是 pairs the sun/day radical 日 — a symbol of clarity — with a component that points to “being correct.” Think of something placed in broad daylight: when light is on it, what’s right becomes clear. That’s 是: “the correct / this (proper) one.”