This document discusses symbols, logos, and slogans used in marketing. It explains that symbols are objects or images that represent concepts and have cultural meaning. Public symbols like lions representing power have become widely recognized through use over time. Logos are graphic representations of a brand that must be simple, recognizable, and reproduce well in different formats. Slogans are brief memorable phrases that communicate what a company does and its benefits. Examples given include the Nike swoosh logo and slogans for Burger King, Walmart, and Apple. The document provides tips for designing effective logos and slogans that are short, memorable, relate to the brand, and capture people's attention.