 The role of non-verbal carriers of meaning in real life discourse allows many different semiotic modes to contribute to informal arguments. In view of this, some argue that a fully comprehensive account of argument must include a “multimodal” account of meaning which recognizes many different modes of arguing (see  Groarke 2015).  The latter may employ gestures, facial expressions, sounds of different sorts, tastes, smells, musical notes, and a host of other non-verbal phenomena. 