What can be a perspective?

Your own point of view on something/opinion

Linear perspective is about the size and proportions of objects represented in a piece. Atmospheric perspective is about the clarity and detail of these objects. Most art that tries to replicate...

related to

The difference between western perspective and Asian perspective is western perspective is more 'realistic'.[P.S. this has nothing to do with gorillas }:(]

Not much, even with geometry, as you con pretty much figure out anything from any perspective.