Question: Here is one sentence: He bought a hot dog and a coke at the bar.
Here is another sentence: The boat ran aground on a submerged bar in the river.
Does the bar mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The visibility from that angle was good.
Here is another sentence: Low visibility caused by fog.
Does the visibility mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: A salamander darted out of an opening in the rocks.
Here is another sentence: The opening received good critical reviews.
Does the opening mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: Potato peeler.
Here is another sentence: She invented a potato peeler.
Does the peeler mean the same thing in the two sentences?

Answer:
the same meaning