Question: Here is one sentence: A dedicated line.
Here is another sentence: The letter consisted of three short lines.
Does the line mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: I don't care what he does.
Here is another sentence: We cared about the opera.
Does the care mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Can I buy you a drink?
Here is another sentence: He jumped into the drink and had to be rescued.
Does the drink mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: A liberal political complexion.
Here is another sentence: He altered the complexion of his times.
Does the complexion mean the same thing in the two sentences?

Answer:
the same meaning