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

We congratulated him on his performance at the rehearsal.

The frequent performances of the symphony testify to its popularity.

OPTIONS:
- different meanings
- the same meaning

A: different meanings

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

This will save money.

This will save you a lot of time.

OPTIONS:
- different meanings
- the same meaning

A: the same meaning

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

Keep my seat, please.

Keep my job for me while I give birth.

OPTIONS:
- different meanings
- the same meaning

A:
the same meaning