Observe, discover, and stimulate the language of children in their third year of life. This material set raises awareness among educational professionals about the peculiarities of child language and language acquisition, particularly focusing on two- and three-year-old children. Based on this, it encourages open and reflective dialogue throughout everyday life. Chapter 1 takes you on a journey into the world of child language. After an overview of early childhood language acquisition, you will learn about the diverse nonverbal and verbal forms of expression that children between the ages of two and three possess, the strategies they demonstrate to acquire linguistic means, and how language changes their actions: how it becomes important for their thinking and for communication with their adult caregivers and, above all, with other children. In dialogue with young children.