Question: Here is one sentence: The room has a wooden floor.
Here is another sentence: They needed rugs to cover the bare floors.
Does the floor mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Please focus on your studies and not on your hobbies.
Here is another sentence: We focused on what to do.
Does the focus mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Stream of consciousness.
Here is another sentence: Two streams of development run through American history.
Does the stream mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: A military buildup in preparation for the invasion.
Here is another sentence: The buildup of leaves blocked the drain pipes.
Does the buildup mean the same thing in the two sentences?

Answer:
different meanings