What is Non-perspective?

Non-perspective definition and meaning on Dictionary terms:
a technique of depicting volumes and spatial relationships on a flat surface.Compare aerial perspective, linear perspective.
a picture employing this technique, especially one in which it is prominent: an architect’s perspective of a house.
a visible scene, especially one extending to a distance; vista: a perspective on the main axis of an estate.
the state of existing in space before the eye: The elevations look all right, but the building’s composition is a failure in perspective.
the state of one’s ideas, the facts known to one, etc., in having a meaningful interrelationship: You have to live here a few years to see local conditions in perspective.

the faculty of seeing all the relevant data in a meaningful relationship: Your data is admirably detailed but it lacks perspective.
a mental view or prospect: the dismal perspective of terminally ill patients.

of or relating to the art of perspective, or represented according to its laws.