Body language that exist in all languages. Body language, on the other hand, does not have a grammar system and must be interpreted broadly, instead of having an absolute meaning corresponding with a certain movement, so it is not a language like sign language, and is simply termed as a "language" due to popular culture. In a community, there are agreed-upon interpretations of particular behavior. Interpretations may vary from country to country, or culture to culture. On this note, there is controversy on whether body language is universal. Body language, a subset of nonverbal communication, complements verbal communication in social interaction. In
Aesopian language philosopher Herbert Marcuse uses the term in his book "One-Dimensional Man" somewhat interchangeably with Orwellian language. In that context, "Aesopian Language" refers to the idea that certain usages of language work to 'suppress certain concepts or keep them out of the general discourse within society'. An example of such a technique is the use of abbreviations to possibly prevent undesirable questions from arising: "AFL-CIO entombs the radical political differences which once separated the two organizations." Within the context of politics, a term with a very similar meaning is called dog-whistle politics, which describes the use of coded language to address