Question: Here is one sentence: The pregnancy was a stroke of bad luck.
Here is another sentence: She applied the paint in careful strokes.
Does the stroke mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: Butchers often use machines to mince meat.
Here is another sentence: Mince the garlic.
Does the mince mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Vermont will open elk hunting season next week.
Here is another sentence: This opens up new possibilities.
Does the open mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: The path of a meteor, of a caravan, or of a storm.
Here is another sentence: Genius usually follows a revolutionary path.
Does the path mean the same thing in the two sentences?

Answer:
different meanings