Question: "side" used in the same way in the following two sentences?

He was on the heavy side.

Look on the bright side.
Answer: the same meaning
Question: "agree" used in the same way in the following two sentences?

The two stories don't agree in many details.

They agreed with her how to do it.
Answer: different meanings
Question: "block" used in the same way in the following two sentences?

He reserved a large block of seats.

He held a large block of the company's stock.
Answer: the same meaning
Question: "altitude" used in the same way in the following two sentences?

As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.

The altitude gave her a headache.
Answer:
the same meaning