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

They set out on their return to the base camp.

I expect the house to be spotless upon my return.

A: the same meaning

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

The sky is red this morning -- does that mean we're in for a storm?

An example sentence would show what this word means.

A: the same meaning

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

The quality of students has risen.

A peasant is not allowed to fall in love with a lady of quality.

A:
different meanings