What would you call the area under the curve of a velocity-time graph included between itself and two time ordinates?

Displacement

The correct answer is option 2. Displacement.

The area under the curve of a velocity-time graph included between itself and two time ordinates represents the Displacement.

In a velocity-time graph, the area under the curve between the velocity-time graph and the time axis represents the displacement of an object. It's because the area under the curve represents the distance traveled by the object, taking into account both the direction and magnitude of velocity changes over time.