Question: Here is one sentence: 200 head of cattle.
Here is another sentence: This song keeps going through my head.
Does the head mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: A place in my heart.
Here is another sentence: He comes from a place near Chicago.
Does the place mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The death of my grandmother saddened the whole family.
Here is another sentence: Her death came as a terrible shock.
Does the death mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: There is strength in union.
Here is another sentence: Let C be the union of the sets A and B.
Does the union mean the same thing in the two sentences?

Answer:
different meanings