If a piece of writing is complete, in the third person, without digressions and emotional overtones and logically arranged, it is a

A report is characterized by being complete, written in third person objective perspective, logically arranged, without digressions or emotional overtones. Reports are formal documents that present factual information systematically and objectively. This distinguishes them from classified ads (abbreviated, not necessarily third person), newspaper articles (can be subjective, first person, emotional), and memoranda (can be first person, less formal structure). The description matches the standard definition of a report.