semiology

/ˌsɛmiˈɑlədʒi/
noun
  1. The study of signs and symbols and how they are used to communicate meaning.
    • In semiology, a red light is a sign that means 'stop'.
    • The course on semiology explored the meaning behind road signs and logos.
    • Semiology helps us understand how emojis convey emotions in text messages.
Synonyms
What does "semiology" mean? | whatsthatwordmean | whatsthatwordmean