This document discusses text and visual media for communicating information. It describes formal and informal types of text-based materials like newspaper articles, textbooks, blogs, and social media. The document also covers design elements of text like typeface, which refers to font styles. Common typefaces are described including serif, sans serif, slab serif, script, and decorative styles. Visual media and its purpose to gain attention and aid learning are also outlined. Elements of visual design such as line, shape, value, texture, color, and form are defined.