The essay draws on four core thinkers:

1. Charles Sanders Peirce - #semiotics #icon #index #symbol #interpretant
2. Bhartṛhari via Francis Clooney - #speechstages #paśyantī #madhyamā #vaikharī
3. J.L. Austin #performativespeech, and
4. Lev Vygotsky #innerspeech #privatethoughtnner