1. There are two main types of articles: research articles and non-research articles. Research articles report on the results of original research studies and contain specific elements like an abstract, introduction, methods, results, discussion, and conclusions.
2. Non-research articles do not report on original research. They are based on analyzing and critically thinking about previously published work on a topic. The main part expresses the author's own opinion and perspective developed from their analysis.
3. Both types of articles should be written in a clear, systematic way and include key elements like an abstract, introduction, main body, and references. However, non-research articles are usually shorter at 10-20