Question: Here is one sentence: The "war on drugs" is a campaign against the use of narcotic drugs.
Here is another sentence: The war on poverty.
Does the war mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: He took a course in basket weaving.
Here is another sentence: She prepared a three course meal.
Does the course mean the same thing in the two sentences?

Answer: different meanings

Question: Here is one sentence: They measured the station's signal strength.
Here is another sentence: He had the strength of ten men.
Does the strength mean the same thing in the two sentences?

Answer: the same meaning

Question: Here is one sentence: Approach a task.
Here is another sentence: To approach the city.
Does the approach mean the same thing in the two sentences?

Answer:
different meanings