Canvas Stage gravity

What is the function of Stages in Canvas? What does the property “gravity” do? Can’t find this in the documentation.

That’s mean the object will not fall down?
That I remember a option with Ignoregravity


Canvas - is a canvas for the graphics output, and Stage - a stage for the sprites with the physics engine. Gravity - is the force of attraction. It can act along the X-axis and / or Y.