A 7-month-old child makes vocalizations using a mix of consonants and vowels (e.g., 'da-da', 'ba-ba'). At this stage, the child is communicating using:

Vocabulary growth during pre-school years is largely supported by:

Arrange the following stages of language development in their correct chronological sequence: (K) Production of Sound (L) Recognition of Sound (M) Production of Words and Sentences (N) Use of Written Language (O) Final Stage of Mastery in Language Development