Complex sentence: Cyberdiscursivity is a theory of computer-mediated communication that extends Walter J. Ong's concept of orality, literacy and secondary orality; compliments other CMC theories such as digitality; and applies rhetorical and literary theories such as postmodernism.
Split into simpler sentences: Cyberdiscursivity is a theory of computer-mediated communication that combines secondary orality and literacy. Cyberdiscursivity extends Walter J. Ong's concept of orality, literacy and secondary orality; compliments other CMC theories such as digitality; and applies rhetorical and literary theories such as postmodernism.