Q: Does "war" have the same meaning in the following two sentences?

A war of wits.

A price war.

A: the same meaning

Q: Does "mirror" have the same meaning in the following two sentences?

I had a look in the mirror to see if the blood had come off my face.

We could see the lorry in the mirror, so decided to change lanes.

A: the same meaning

Q: Does "scene" have the same meaning in the following two sentences?

The police returned to the scene of the crime.

He made a scene.

A:
different meanings