There are many types of perspective, and many ways of organising the concept. With a little poetic licence let's call this meta-discussion about perspectives on perspective Fractal Perspective.
# Narrative Perspective
Perspectives are the rewilded growth. They are the inner weather: appetite, fear, pride, boredom, love, ambition, resentment, devotion, fatigue.
Perspectives are written with restraint: the author may invent feelings, misunderstandings, and private logic, but must not invent public outcomes that contradict the factual record. Where the record is silent,
Perspectives are allowed to branch like undergrowth, but they must remain rooted in the conditions of the world.
# See - Perspective and Facts - Hard Science Fiction - Historical Method and Primary Source