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

Can you drive this four-wheel truck?

Drive the game.
Answer: different meanings
Question: "competition" used in the same way in the following two sentences?

The newspaper is featuring a competition to win a car.

Business competition can be fiendish at times.
Answer: different meanings
Question: "foot" used in the same way in the following two sentences?

I'll meet you at the foot of the stairs.

The foot of the page.
Answer: different meanings
Question: "enthalpy" used in the same way in the following two sentences?

Enthalpy is the amount of energy in a system capable of doing mechanical work.

H = U + p V, where H is enthalpy, U is internal energy, p is pressure, and V is volume.
Answer:
the same meaning