Linguistic, phonologic: sounds of discomfort or reflexive action. Examples: Crying, coughing, burping, sucking.
Linguistic, phonologic: Comfort sounds and vocal play, using open mouth vowel sounds linguistically. Examples: Grunts and sighs becoming vowel like 'coos', laughter, hard consonants and vowels produced.
Linguistic: Repeated patterns of consonant and vowel sounds. Phonologic: Extended sounds resembling syllable like sequences, repeated patters. Examples: Sounds liking to own language, reduplicated sounds and variegated sounds
Linguistic, phonologic: word like vocalisations, linguistically being used consistently for the same meaning with the accompanying gestures such as pointing supporting the linguistic message.