Almost, but there is still a lack of pictures and sounds. Children begin to know the world from pictures and sounds. Pictures, sounds, pinyin and characters are the basis of children's literacy, and they are also recognized as the four elements of early reading by most early education products and institutions. Here, take Cat Xiaoshuai's learning Chinese character app as an example.

It can be seen that the picture contains the above four elements. The significance of these four elements is to help children connect pure text content with reality, let children form the association of words and graphics, and help children understand and remember. Only with these four elements can children fully understand and master the meaning and usage of words and languages.