Problem: Sentence1: There are 50 acres of land in this estate.
Sentence2: The family owned a large estate on Long Island.
Q: Does the term estate mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: I'd like a big bit of cake, please.
Sentence2: There are 8 bits in a byte.
Q: Does the term bit mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Could you convert my dollars into pounds?
Sentence2: Smith converted and his team won.
Q: Does the term convert mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: In the interest of safety.
Sentence2: Victorian furniture is an interest of mine.
Q: Does the term interest mean the same thing in both these sentences?

Answer:
different meanings