Not every writing assignment students get in their courses will be an argument essay. As mentioned earlier, students here write lab reports, correspondence, proposals, brochures, arguments, applications, reflections, evaluations, analyses, and many others.
A strong writer develops through practice in a variety of forms and audiences and purposes. That's why Stetson requires you to have four different writing-enhanced (WE) courses. The practice helps build "muscle" and a set of strategies to respond to new situations.
Students consider and evaluate questions and ideas, formulate their own responses to those ideas, and then do something with those responses. Argue, defend, propose, compare, and analyze are some of the things we do with our responses to ideas. Each kind of assignment has a different purpose.
Generally speaking, arguments take two kinds of shapes: one is a shape that actively argues with its reader from the start, presenting its position and systematically defending against its opposition by marshalling evidence that will defeat an opposing viewpoint. This focuses on difference. One other popular shape starts from position of unity and common ground, and then, as each element of common ground on a position is discussed, the writer’s position becomes clearer.