Complex sentence: Translated into English, Extension du domaine de la lutte has been called the rather more succinct'Whatever,' although this word does not relate to the original French title, but rather to the protagonist's defeatist view of life.
Split into simpler sentences: Translated into English, "Extension du domaine de la lutte" has been called the more succinct "Whatever". Although this word does not relate to the original French title, it connects to the protagonist's defeatist view of life.