If a world is a hand, its people the hairs on the back of its surface, then its beliefs would be the glove.
In our world, for our knowledge, this hand is a five fingered being and the glove is imaginary - we have a world where the beliefs of its people are entirely unprovable. Such that many of us do not believe them to be real at all.
On the planet Betheroy, another hand in a different galaxy - we have the glove made of velvet and woven with many different colourful strands. And though its people may forget the fancy that weaves its way across the surface, it still exists - and it does not forget them.
It has three textures of hair -
The Homo Sapiens - the 'humans' Loud and intrusive, the humans tend to adapt the world to suit their needs and whims.
The Ventus Audux - the 'Ventu' or gliders Humanoid creatures with small, delicate frames and a membrane of skin between their wrist and ankle, the majority of this species are naturalistic, seeking to adapt to nature