Q: Does the word "region" mean the same thing in "In the abdominal region." and "The temperate regions."?

A: different meanings

Q: Does the word "hold" mean the same thing in "Hold your tongue." and "He can hold his liquor."?

A: different meanings

Q: Does the word "commission" mean the same thing in "The motor was out of commission." and "Put the ships into commission."?

A: the same meaning

Q: Does the word "narrowness" mean the same thing in "The attraction of the book is precisely its narrowness of focus." and "The problem with achievement tests is the narrowness they impose on students."?

A:
the same meaning