Grip.
Understanding.
That which is accessible; that which is within one's reach or ability.
To take advantage of something, to seize, to jump at a chance.
To grip; to take hold, particularly with the hand.
To understand.
The act of grasping or gripping, especially with the hands.
According to Alfred North Whitehead, a type of universally acting perception that is not limited to living, self-conscious beings, and which involves an interconnectedness of the observer and the observed.