1. monograph. Based on the analysis of previous research results, this paper expresses opinions in the form of direct discussion and puts forward academic problems of a certain subject from the front. For example, Chapter 12 of this book, The Method and Artistic Analysis of Leadership Highlighting Work Focus, discusses the significance, methods and principles of highlighting work focus, which shows the author's affirmation and understanding of highlighting work focus.

2. Argumentative essay. This is a paper aimed at others' views on an academic problem of a certain subject, with sufficient arguments, focusing on exposing its shortcomings or mistakes, and expressing opinions through debate.