Problem: Sentence1: The United Nations must have the power to propose and organize action without being hobbled by irrelevant issues.
Sentence2: Recent federal action undermined the segregationist position.
Q: Does the term action mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He has the authority to issue warrants.
Sentence2: I have the authority to penalise the staff in my department, but not the authority to sack them.
Q: Does the term authority mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Turn on the spot.
Sentence2: Turn the dial to 10.
Q: Does the term turn mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: How many cars does she have?
Sentence2: The dog down the street has a lax owner.
Q: Does the term have mean the same thing in both these sentences?

Answer:
the same meaning