Human Growth and Development / Unit 18 HGD 2561 short lesson, about 20 seconds
What Language Is
Captions available
The idea
Language is a communication system of words and rules with infinite generativity, entry 0361; productive language is speaking or signing, receptive language is understanding.
In practice
A toddler who follows a two-step request but can say only a dozen words.
Where people slip
Understanding runs ahead of speaking throughout early childhood, entry 0367 notes.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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