The word diagram derives from the Latin "diagramma" and comes from the Greek "διάγραμμα", it means "design or graphic representation", in the real Spanish academy they define diagram as "geometric drawing that helps to express a proposal, solve a problem or represent a graphic form in the law of modification of a phenomenon ” or “ drawing in which the links between the various parts of a set or system are exhibited ”. The diagram it is a geometric drawing, because it is a branch of mathematics that is responsible for the study of the properties of figures in the plane or space such as lines, polytope points, parallels, curves, among others.
This is used more than anything in science, education and communication in which there is a graphic representation of a proposal for the solution of a problem, of the links between the different parts or elements of a group, system or stability. in the transformation of a phenomenon that allows establishing some type of law.
Some types of diagrams represent numerical data that are those that depend on the specific circumstances in which it is used in some type of diagram, in which it is the mental or symbolic representation of a material, immaterial or development element in which they appear their essential lines or features are logically linked.
Other diagrams participate in the visual illustration of a drawing or image that decorates and identifies the text of a book, which uses various resources such as the flow diagram, the mind map, the concept map, among others.