The report/essay should be easy to read, clear and logical.
Use short, simple sentences, ideally less than 20 words each.
Start with a general outline: Introduction, Methods (normally not in a review), Results, Discussion, Conclusion (optional).
Delete what is not necessary. Good style is more important (and gets a better mark) than the word count.
Ask yourself: what do you want to say? What do you want to tell your reader? If written this way, would you have understood it 3 months ago?
Eac...