Linked from
The 38 pages that link to Speech act, each with the reason it gives.
PragmaticsRelated: It connects utterance meaning to what speakers do by speaking.
InterpretationRelated: Interpreting an utterance often means identifying what action it performs.
ProverbRelated: Using a proverb can perform advice or criticism without stating it directly.
Obscene gestureRelated: An obscene gesture can perform an insult without using words.