Problem: Sentence1: I know him under a different name.
Sentence2: This flower is known as a Peruvian Lily.
Q: Does the term know mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Armored from head to foot.
Sentence2: Curled up on the foot of the bed.
Q: Does the term foot mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: A section of a fishing rod.
Sentence2: The finance section of the company.
Q: Does the term section mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The prescription specified only one refill.
Sentence2: He got a refill of his prescription.
Q: Does the term refill mean the same thing in both these sentences?

Answer:
the same meaning