Problem: Sentence1: To empty a well or a cistern.
Sentence2: Empty the water.
Q: Does the term empty mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The Moon's orbit around the Earth takes nearly one month to complete.
Sentence2: In the political orbit of a world power.
Q: Does the term orbit mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The class of all sets is not a set.
Sentence2: There are two classes of detergents.
Q: Does the term class mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Likes a drink before dinner.
Sentence2: Can I buy you a drink?
Q: Does the term drink mean the same thing in both these sentences?

Answer:
the same meaning