Question: Here is one sentence: Catch one's breath.
Here is another sentence: Catch some sleep.
Does the catch mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: They shot 20 head of quail.
Here is another sentence: A reduction in the assessment per head of sheep.
Does the head mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: The automobile reduced the demand for buggywhips.
Here is another sentence: His demands for attention were unceasing.
Does the demand mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: I would not call her beautiful.
Here is another sentence: Take two aspirin and call me in the morning.
Does the call mean the same thing in the two sentences?

Answer:
different meanings