Abstraction
noun
The thing you extract from a phenomenon is an abstraction. Extracting abstraction out of a phenomenon may not sound like a very concrete or vivid mnemonic, but I guess that makes it an appropriate abstraction…
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼女のレビューは何だか抽象的だったので、あまりよく分かりませんでした。
Her review was kind of abstract, so I didn’t really understand it.