Question: "point" used in the same way in the following two sentences?

Cut the skin with the point of the knife.

A row of points.
Answer: different meanings
Question: "coverage" used in the same way in the following two sentences?

Don't go to lunch if we don't have enough coverage for the help-desk phones.

The enemy fire is increasing -- can we get some immediate coverage from those bunkers?
Answer: the same meaning
Question: "tell" used in the same way in the following two sentences?

He could tell that she was unhappy.

She told him how he did it.
Answer: different meanings
Question: "unravel" used in the same way in the following two sentences?

Can you unravel the mystery?

Mother couldn't unravel the ball of wool after the cat had played with it.
Answer:
the same meaning