Q: Does the word "demand" mean the same thing in "I demand an explanation." and "This position demands a lot of personal sacrifice."?

A: different meanings

Q: Does the word "run" mean the same thing in "The team enjoyed a brief run of victories." and "Yesterday we did a run of 12,000 units."?

A: different meanings

Q: Does the word "unit" mean the same thing in "The word is a basic linguistic unit." and "The reduced the number of units and installations."?

A: the same meaning

Q: Does the word "fall" mean the same thing in "Fall into a trap." and "Fall prey to an imposter."?

A:
the same meaning