Any of the manners by which living beings perceive the physical world: for humans sight, smell, hearing, touch, taste.
Perception through the intellect; apprehension; awareness.
Sound practical or moral judgment.
The meaning, reason, or value of something.
A natural appreciation or ability.
The way that a referent is presented.
A single conventional use of a word; one of the entries for a word in a dictionary.
One of two opposite directions in which a vector (especially of motion) may point. See also polarity.
One of two opposite directions of rotation, clockwise versus anti-clockwise.
Referring to the strand of a nucleic acid that directly specifies the product.
To use biological senses: to either see, hear, smell, taste, or feel.
To instinctively be aware.
To comprehend.