LANGUAGE：Language | Definition, Types, Characteristics, Development,

language   learning a new language is than Language, a system of conventional spoken, manual signed, or written symbols by means of which human beings express themselves. The functions of language include communication, the expression of identity, play, imaginative expression, and emotional release

english as a second language Learn what ESL means and how it differs from EFL and other terms. Explore the history, types and contexts of ESL teaching and learning around the world

learning a foreign language Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!