Problem: Sentence1: There's a $15 cover tonight.
Sentence2: Artillery provided cover fire for the withdrawal.
Q: Does the term cover mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The cognitive operation of remembering.
Sentence2: That rule is no longer in operation.
Q: Does the term operation mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I wanted to create an impression of success.
Sentence2: He watched the impression of the seal on the hot wax.
Q: Does the term impression mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Tap beer in a bar.
Sentence2: Tap an M3 thread all the way through the hole.
Q: Does the term tap mean the same thing in both these sentences?

Answer:
different meanings