Problem: Sentence1: Pay a debt.
Sentence2: Don't pay him any mind.
Q: Does the term pay mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: It worked up to right now.
Sentence2: Now is a good time to do it.
Q: Does the term now mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Answer the telephone.
Sentence2: Answer the door.
Q: Does the term answer mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: In the year 1920.
Sentence2: A normal year has 365 full days, but there are 366 days in a leap year.
Q: Does the term year mean the same thing in both these sentences?

Answer:
the same meaning