Early speech refers to the initial stage of language development in children where they begin to produce their first words and sentences. It is characterized by limited vocabulary, simplified grammar, and frequent errors.
Babbling is the stage of pre-speech where babies produce repetitive syllables like "ba-ba" or "ma-ma." It helps them practice using different sounds and prepare for actual speech.
Holophrases: Holophrases are single words used by toddlers to express complex meanings. For example, saying "juice" could mean "I want some juice" or "Give me my juice cup."
LAD is a theoretical concept proposed by Noam Chomsky that suggests humans are born with an innate ability to acquire language. It helps explain why children universally follow similar patterns in language development.