A case analysis paper is a kind of paper. First, give a concrete example, then analyze the problem with various analysis methods, and finally draw a conclusion or give suggestions. Generally speaking, a paper is an article used to conduct scientific research and describe scientific research results, which is referred to as a paper for short. It is not only a means to discuss problems in scientific research, but also a tool to describe scientific research achievements for academic exchange.
By the way, charts are not paper.