usually after a year: one to two word [[utterance]]s babies [[universal]]ly chat about most salient experiences: - existence / nonexistence / recurrence ([[time invariant|object permanence]]) - thought of [[sonata form]] for some reason - "more" / "again" / "another" - naming objects - exchange and [[possession]] of objects - [[workout|movement]] and [[place|location]] of [[people]] and [[object]]s - [[state]]s and changes of states of people and objects - up / down / on / off / in / out / open / close - physical and [[psychology and epistemology|mental]] states of people - request or describe "eat / kick / ride /draw" - [[performative]] # sources [[2003TomaselloConstructingLanguageUsagebased]] [[1973BrownDevelopmentFirstLanguage]]