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)
Conscious understanding of something.
The organisation, identification and interpretation of sensory information.
Acuity
Representation created in the mind without the use of one's faculties of vision, sound, smell, touch, or taste; an instance of thinking.
A very small amount, distance, etc.; a whit or jot.
A way of thinking (associated with a group, nation or region).
The operation by which mental activity arise or are manipulated; the process of thinking; the agency by which thinking is accomplished.
Anxiety, distress.
The careful consideration of multiple factors; deliberation.