What is an essay? It is an excellent invitation to meddle in a world of scientific production in which the personal brand can go hand in hand. In that order of ideas, the main feature of the essay is the possibility of developing a particular theme but with the option to print our personal brand throughout the text, which is why the essay is the recommended vehicle for expressing ideas or a position without the rigidity that the scientific field demands. The essay is a way of communicating ideas about a questioning, concept, concern, interpretation, reflection or analysis, which must be supported by valid arguments. According to the criterion that is applied for its writing, the essay can be classified as a scientific essay, critical essay, poetic-literary, philosophical, argumentative or affirmative essay. All these types of essay you can check out at Typemyessays.com for better understanding the difference. Broadly speaking essays are classified into three types: Argumentative - Where an idea or concept is discussed to demonstrate its validity. Expository - It is a text that seeks to demonstrate or present a fact, results, conclusions or similar. Critical - Its objective is to propose a critique of another text, idea or concept, almost always seeking to propose a counterproposal to that argument to validate its content.In general terms, it is necessary to clarify that all types of essay encompass the same objective, that is, to present an idea based on arguments, research and the author's perspective, adding as appropriate a criticism.