Literary criticism is the "Assessment and interpretation of literary works. The term ‘criticism’ is often taken to mean exclusively adverse comment, but in fact it refers to all literary assessment, whether positive or negative."
From Helicon (Ed.). (2018). Literary criticism. In The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide. Helicon. https://search.credoreference.com/articles/Qm9va0FydGljbGU6NTE1NDIz?aid=293406