A pictogram is a visual representation of an idea or message. It is a symbol or a drawing that conveys a specific meaning. Synonyms for pictogram include icon, symbol, emblem, sign, image, character, glyph, and logo. These words are often used interchangeably, but each has a slightly different meaning. For example, an icon is a simplified image that represents a specific function or object, while a character is a symbol that represents a letter or number. A glyph is a symbol that has a more complex meaning, and a logo is a symbol or design that represents a company or organization.