Summary by Rubén Hinojosa Chapel – “Designers make graphics for transmitting some kind of information, which is interpreted by another persons so, it is reasonable to think about the existence of a language behind those graphics. Graphic representations can be regarded as expressions of visual languages. Like any language, a particular visual language involves a particular visual vocabulary and a particular visual grammar. Certain common notational habits, such as the drawing of lines between entities that have some kind of relationship, the arrangement of entities on a time line, or the use of different colors in order to indicate categories of some kind, are shared by many of these visual languages.” (Yuri Engelhardt) – courtesy of elearning