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

Play sports.

Play with her feelings.

A: different meanings

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

A racially integrated business concern.

Show me where the business was today.

A: different meanings

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

Do you know my sister?

I know him under a different name.

A:
the same meaning