The state or fact of existence, consciousness, or life, or something in such a state.
One's basic nature, or the qualities thereof; essence or personality.
A living creature.
That which has actuality (materially or in concept).
Given that; since.
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