Question: Here is one sentence: A lot of money.
Here is another sentence: He bought a lot on the lake.
Does the lot mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The trapped miners found a pocket of air.
Here is another sentence: The battle was won except for cleaning up pockets of resistance.
Does the pocket mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: * I acknowledge my transgressions. -- Psalm 51:3.
Here is another sentence: She acknowledged that she might have forgotten.
Does the acknowledge mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: The player with the highest score is the winner.
Here is another sentence: The winning score came with less than a minute left to play.
Does the score mean the same thing in the two sentences?

Answer:
the same meaning