03 Aug Exformation

Context and content that is EXCLUDED from spoken or written natural language communication, based on the assumption (valid or invalid) that the gaps in content may be inferred by using shared knowledge. [See my post on Exformation vs. Subtext]

From Wiktionary:

Etymology

Danish eksformation, or from explicitly discarded information

Noun

exformation (uncountable)

1. All the shared body of knowledge which is not explicitly used when people communicate, but without which communication would be impossible