Flak and Literary criticism

Flak noun - Artillery designed to shoot upward at airplanes.

Literary criticism and flak are semantically related in critique topic. In some cases you can use "Literary criticism" instead a noun "Flak".

Literary criticism noun - The informed analysis and evaluation of literature.

Flak and literary criticism are semantically related in critique topic. Sometimes you can use "Flak" instead a noun phrase "Literary criticism".