The state or quality of being or existence.
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.
An alien lifeform that has no corporeal body.
A spirit, ghost, or the like.
The existence of something considered apart from its properties.
Conscious understanding of something.
That which is detected by the five senses; not necessarily understood (imagine looking through fog, trying to understand if you see a small dog or a cat); also that which is detected within consciousness as a thought, intuition, deduction, etc.
Vision (ability)
The organisation, identification and interpretation of sensory information.
Acuity