Q: Does the word "one" mean the same thing in "This is the one I ordered." and "He is the best one."?

A: the same meaning

Q: Does the word "heart" mean the same thing in "The child won everyone's heart." and "He stood still, his heart thumping wildly."?

A: different meanings

Q: Does the word "drop" mean the same thing in "Drop him from the Republican ticket." and "Shop til you drop."?

A: different meanings

Q: Does the word "sake" mean the same thing in "For the sake of argument." and "Died for the sake of his country."?

A:
different meanings