I understand deities as a term I use that is translated from Canadian Inuit, Indweller.
As an animist and polyspiritist (as opposed to polytheist), I believe everything in the world has a soul, and is in essence a non-human soul.
This is the rocks, plants, animals, weather, celestial bodies, earth itself, etc.
The greater non-human persons are practically, gods. These can be the god of a particular mountain, forest, or stream, Bay, Countryside, more local Indwellers. Other great Indwellers are the Indwellers of the Wind (the Devil), Earth(Nicnevin), Seas, Sun, Planetary Bodies, etc.
We rarely deal straight with the greater Indwellers. The Devil is typically spoken through little Devils, divine messengers, daemons.