 The actors improvise their dialogue based on the story outline, direction, and their own creativity.David has said that his character in the show, a fictionalized version of himself, is what he would be like in real life if he lacked social awareness and sensitivity.The character's numerous and frequent social faux pas, misunderstandings, and ironic coincidences are the basis of much of the show's comedy and have led to the entry into the American pop culture lexicon of the expression "Larry David moment", meaning an inadvertently created socially awkward situation.