A spirit, ghost, or the like.
That which has a distinct existence as an individual unit. Often used for organisations which have no physical form.
Anything about which information or data can be stored in a database; in particular, an organised array or set of individual elements or parts.
The state or quality of being or existence.
An alien lifeform that has no corporeal body.
The existence of something considered apart from its properties.
Something that one does not know the name of.