Is a process starting early in human life. Usually, productive language is considered to begin with a stage of proverbial communication in which infants use gestures and vocalizations to make their intents known to others. According to a general principle of development, new forms then take over old functions, so that children learn words to express the same communicative functions which they had already expressed by proverbial means.
The ability to take in language and understand, including being able to follow directions, understand a story, understand figurative language, identifying familiar people in pictures, identifying same & different, identifying what's wrong, locating objects in a room, following multi-step instructions
Skills encompass the many ways of conveying a message. Expressive language skills include learning the forms of language, such as verb forms, plural endings, and how to use pronouns, as well as the content of language, which leads to an event being related clearly and appropriately. It also includes the function of language, which can vary based upon listeners. As well as labeling objects, describing sequence pictures and verbal interaction - making requests, answering social questions, delivering a message