child-directed speech
Definition - The style of speech used by people — e.g. fathers, mothers, siblings, and nannies — who are speaking to babies. It consists, for example, of short sentences, repetition, and a simplied vocabulary, and it is usually delivered with a high-pitched, cooing intonation.

1. This term has replaced less inclusive and less-accurate terms such as motherese and the traditional term baby talk.

Example -
Voters want yum-yum?

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