perspective
approximate representation, on a flat surface (such as paper), of an image as it is seen by the eye
bird's-eye view
view of an object from above
linear perspective
system of perspective in which orthogonals converge toward one or more vanishing points
worm's-eye view
view of an object from below
foreshortening
visual effect or optical illusion that causes an object or distance to appear shorter than it actually is because it is angled toward the viewer
Canaletto view (Vienna)
perspective of downtown Vienna from the Upper Belvedere Palace, popularized by Bernardo Bellotto, known as Canaletto
horizon
perspective