Question: Here is one sentence: He came to a bad end.
Here is another sentence: The end of the pier.
Does the end mean the same thing in the two sentences?

Answer: different meanings


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

Answer: the same meaning


Question: Here is one sentence: Use your head!
Here is another sentence: Use the plastic bags to store the food.
Does the use mean the same thing in the two sentences?

Answer: the same meaning


Question: Here is one sentence: The battery had a short life.
Here is another sentence: He lived a long and happy life.
Does the life mean the same thing in the two sentences?

Answer:
the same meaning