All 3 Uses

perspective
in
Into the Wild
(Edited)

And now he'd slipped painlessly out of Ron Franz's life as well. Painlessly, that is, from McCandless's perspective, although not from the old man's.
p. 55.8 *

perspective = way of seeing and thinking about things
But my sense of Chris McCandless's intentions comes, too, from a more personal perspective.
p. 134.3
Although he castigated himself severely for this waste of a life he'd taken, a day later McCandless appeared to regain some perspective, for his journal notes, "henceforth will learn to accept my errors, however great they be."
p. 167.4 *

perspective = sensible view

Definitions:

(1) (perspective as in: Look at it from her perspective)
a particular way of seeing or thinking about things
(2) (perspective as in: Keep it in perspective)
a sensible view of a situation that considers its different parts in a balanced way
(3) (perspective as in: perspective in art)
giving a 2-dimensional picture a 3-dimensional appearance by making parts that are farther away look smaller than things that are close; OR a picture drawn in such a manner
(4) (perspective as in: a perspective of the entire block)
a view -- often stressing that the view is different from a view from another location
(5) (meaning too rare to warrant focus)
Less commonly, in classic literature, perspective glass or perspectives can refer to a small telescope. More specialized senses of perspective are found in geometry, sound engineering, and philosophy. Consult a comprehensive dictionary if you wish to see those. All the common senses have to do with the way something is viewed.