Final answer:
Nursery rhymes are traditional songs and poems used to entertain and educate young children. They help develop language skills, memory, and cognitive abilities in early childhood.
Step-by-step explanation:
Nursery rhymes are a collection of traditional songs and poems that have been passed down from generation to generation. They are often used to entertain and educate young children, with catchy tunes and simple lyrics. Nursery rhymes are an important part of early childhood development, as they help children develop language skills, memory, and cognitive abilities. For example, popular nursery rhymes like 'Twinkle, Twinkle, Little Star' and 'Mary Had a Little Lamb' introduce children to rhyming words, rhythm, and storytelling.