Problem: Sentence1: The sound awakened them.
Sentence2: Puget Sound.
Q: Does the term sound mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Education is the door to success.
Sentence2: I knocked on the vice president's door.
Q: Does the term door mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Put that light out!
Sentence2: He stopped the car and turned off the lights.
Q: Does the term light mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: A round of pleasures.
Sentence2: The story is going the rounds in Washington.
Q: Does the term round mean the same thing in both these sentences?

Answer:
different meanings