ab•stract (âb-strâkt) 1: Considered apart from concrete existence. 2: Difficult to understand; abstruse. 3: Having an intellectual and affective artistic content that depends solely on intrinsic form rather than on narrative content or pictorial representation.

4: Existing only in the mind; separated from embodiment. 5: Not representing or imitating external reality or the objects of nature. 6: Dealing with a subject in the abstract without practical purpose or intention. 7: A sketchy summary of the main points of an argument or theory.