Articles are good sources for:
Most research articles follow a common structure. They start with an abstract, which briefly summarizes the research and results. Then comes an introduction, which gives an overview of the current state of knowledge on the topic, describes the goal of the research, and explains what is new and original in the research. Next is methods, describing how the research was conducted and how the results were analyzed. Then are results, which describes the data collected by the research and what the analysis revealed. Finally, there is a discussion, which tells what can be concluded from the research, talks about its significance and impact on the field, and suggests further research.
You can explore this structure in the following example articles: