Definition of abstractions:
(n) :
The act of focusing on one characteristic of an object rather than the object as a whole group of characteristics; the act of separating said qualities from the object or ideas.
(n) :
An idea or notion of an abstract or theoretical nature.
(n) :
The act of abstracting, separating, withdrawing, or taking away; withdrawal; the state of being taken away.
(n) :
A separation from worldly objects; a recluse life; the withdrawal from one's senses.
(n) :
The act of comparing commonality between distinct objects and organizing using those similarities; the act of generalizing characteristics; the product of said generalization.
(n) :
(art) An abstract creation, or piece of art; qualities of artwork that are free from representational aspects.