Question: Here is one sentence: A broad movement of the electorate to the right.
Here is another sentence: He was a charter member of the movement.
Does the movement mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: Do you carry kerosene heaters?
Here is another sentence: The loan carries a high interest rate.
Does the carry mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: After the battle the soldier had trouble rejoining his unit.
Here is another sentence: The coach said the offensive unit did a good job.
Does the unit mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Our grant has run out and we can not keep you on.
Here is another sentence: Keep my seat, please.
Does the keep mean the same thing in the two sentences?

Answer:
different meanings