In a critical essay you should be able to write about key language features used in novels, short stories, plays and poems. Here's a reminder of what they are and how they work:
To score highly in your critical essay, you must show that you understand what techniques a writer has used to convey themes in both the specific and the wider context. Your essay should show that you've come away from reading the poem, novel, short story or play with a deeper understanding of these themes.
How to Write a Critical Analysis of a Poem