Abstract as a noun something that concentrates in itself the essential qualities of anything more extensive or more general, or of several things; essence.
“Thought of apart from concrete realities, specific objects, or actual instances” “involving a person's ability to think and to understand ideas and information” “a state of perplexity or uncertainty, especially as to what to do;dilemma”
Can we find the answer in Art?
“ My paintings always start from a misstep , a spilled paint can, a dirty drop cloth, a juncture of lines that formed from a fold . I take that shape, figure, an emotional reaction, or the combination and continuing from that “happening” onward to discovering the finality of the piece.” MacNamara