a commonplace book
To say that words are indexically related to some ‘object’ or aspect of the world out there means to recognize that words carry with them a power that goes beyond the description and identification of people, objects, properties, and events. It means to work at identifying how language becomes a tool through which our social and cultural world is constantly described, evaluated, and reproduced.
Duranti (1997), quoted by Laura M. Ahearn, Living Language (2012)
Ahearn gives a couple useful examples of indexicality, the way language, as a socio-culturally embedded practice, “points” to social relations, identities or values, which in turn creates, reinforces or challenges those very relations, identities or values: