definition: contained by or consisting of a curved line(s).sentence: Some roof companies will recommend curvilinear roofs instead of straight line roofs.
Form- noun
definition: the visible shape or configuration of an object or thing
sentence: The form of the ball if round and circular, while the form of the block is square and rectangular.
There are two types of shapes: geometric and free-form Our bodies take up space as do all shapes and forms that are freestanding are surrounded by negative space whereas relief sculpture projects into negative space.