Mental apprehension of whatever may be known, thought, or imagined; idea, concept.
A sentiment; an opinion.
An invention; an ingenious device; a knickknack.
Any small article used in sewing and haberdashery, either for attachment to garments or as a tool, such as a button, zipper, or thimble.
Inclination; intention; disposition.
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