The one-word stage is a crucial phase in language development where children primarily communicate using single words, typically occurring between the ages of 12 and 18 months. This stage signifies the initial use of language to convey meaning, where each word often represents a complete thought or concept, such as 'milk' for wanting a drink or 'dog' to refer to a pet. It marks the transition from pre-linguistic communication to the beginning of verbal expression.
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