Both Uses

abstract
in
After Dark, by Murakami
(Auto-generated)

Beyond the glass, however, there is no scenery, only an uncolored space like a pure abstract idea.
Chpt 10 *

abstract = of a concept or idea not associated with any specific instance
Or possibly something purely abstract.†
Chpt 12

Definitions:

(1) (abstract as in: abstract thought)
of a concept or idea not associated with any specific instance
(2) (abstract as in: read the abstract)
a summary; or to summarize -- especially academic writing
(3) (abstract as in: abstract art)
not imitating external reality or the objects of nature
(4) (abstracted as in: abstracted, so didn't notice)
lost in thought; or distracted by thoughts
(5) (abstracted as in: abstracted his wallet)
removed
(6) (meaning too rare to warrant focus)