Abstract terms

those which express abstract ideas, as beauty, whiteness, roundness, without regarding any object in which they exist; or abstract terms are the names of orders, genera or species of things, in which there is a combination of similar qualities.

See also: Abstract

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
They are abstract terms: they are also the causes of things; and they are even transformed into the demons or spirits by whose help God made the world.
There seemed to be few, if any, abstract terms, or little use of figurative language.
More often than not, Europe is invoked in abstract terms, such as when politicians argue that European sovereignty is the only path to security in a world dominated by great powers.
"We're talking a lot in abstract terms but in 18 months we haven't been able to determine where our priorities lie."
What I am trying to say in somewhat abstract terms will become readily apparent by citing the following example.
In Pakistan, our political parties, by and large, seem to ignore basic state purposes and hold promises to the people in abstract terms, ignoring the fact that nothing could be achieved unless basic state purposes have been achieved.
Two controversial wars and an ill-defined 'war on terrorism' that portrayed the enemy in such abstract terms, and the conflict as a war of ideas, ended up magnifying the enemy and enlarging the scope and meaning of the conflict, making it look like a war against Islam.
Image-making extends to more abstract terms as well, such as with visual identity, branding, narratives, story-telling and more.
People do not want abstract terms, they want concrete solutions" (202).
" This government talks not in abstract terms, but in a language that can be understood by the common man.
It is well known that compared with abstract terms, pictograms are intuitive and are more easily interpreted and perceived, but whether or not pictograms could help the accurate recognition of reflux symptoms in non-English-speaking countries is still unknown.