Before some children use mouth words, they develop prelinguistic skills- the early communication behaviours that happen before spoken language emerges. These skills help children learn how to connect, express themselves, understand others, and participate in meaningful interactions long before they say their first words. https://medium.com/@seomarketing7871/what-are-prelinguistic-skills-why-do-they-matter-071a35f390ef?postPublishedType=initial