Problem: Sentence1: The store is huge, occupying an entire city block.
Sentence2: He reserved a large block of seats.
Q: Does the term block mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: He was fighting to his last breath.
Sentence2: He took a deep breath and dived into the pool.
Q: Does the term breath mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The general ordered the colonel to hold his position at all costs.
Sentence2: He held the governorship for almost a decade.
Q: Does the term hold mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I wish I had seen the look on his face when he got the news.
Sentence2: He looked out at a roomful of faces.
Q: Does the term face mean the same thing in both these sentences?

Answer:
different meanings