The phrase "abstract realm" is correct and usable in written English.
It can be used to describe a conceptual or theoretical space that is not grounded in physical reality, often in discussions of philosophy, art, or science.
Example: "In the abstract realm of ideas, creativity knows no bounds and innovation flourishes."
Alternatives: "conceptual space" or "theoretical domain".
Both proved that spirituality and modern architecture could inhabit the same abstract realm.
His abstract realm has fared rather better, underpinning one of the strongest theories of mathematics to this day.
It helps to break down the barriers between the public and the private, and, in the process, to help infuse the abstract realm of media with personal passions.
If Cruz ended the contretemps technically ahead in the abstract realm of argumentation, he was decidedly less so in the realm of the human and intuition.
Fans, journalists, biographers, friends, they all tried to find this mythical creature, either in person or in that fabulous abstract realm that he continued to haunt: chess.
She can't spend too much time in the abstract realm, however, because deadlines are always pressing – she had just four months to realise her designs for Beyoncé's mammoth Formation tour.
It succeeded all too well, drifting into chaotic, abstract realms where most rappers have justifiably feared to tread.
That too was more science fiction than science fact, but apparently there is nothing like death to bring home the abstract realms of physics and astronomy.
A Canadian who has also lived in California and France, Robertson seems equally alert (and equally alienated) in Vancouver, in Rome, in her fictional "Roman Vancouver" and in the placeless, abstract realms of European philosophy: "It is as if / History dilates the body, to pertain / To the audacity of some moral / Oblation".
The latter is a presumably a state of affairs, an abstract object, and no concretum can be identical with an abstractum on pain of violating the separateness of the concrete and abstract realms.
Just as the dimensionality in models for construing our experience of concrete space is a powerful resource for construing our experience of abstract realms, so the dimensionality of the map can be helpful in surveying territories of meaning: maps are among other things helpful tools for visualizing territories of meaning (cf. Steele and Iliinsky 2010).
