What is the difference between language acquisition and language learning?

Language acquisition is the ability of the brain in its cognitive development & process to conceptualise concepts,structures and semantics in a language , while learning is the active participation and effort to learn a language. Language teachers devise methods as components of language acquisition, while learners use them to learn.

Language acquisition is a natural process for any native to acquire his native vernacular language.Language learning is a structured system for anyone to learn a language.