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

A training session.

"Are we having a recording session?" "Yes. We've even got some session musicians to provide some brass.".

A: the same meaning

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

He rode into the mouth of the canyon.

She wiped lipstick from her mouth.

A: different meanings

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

Fix breakfast for the guests, please.

I was fixing to leave town after I paid the hotel bill.

A:
different meanings