Language encompasses all the skills required to speak, listen, read and write. Language is the fundamental way that we communicate with each other and includes words, phrases, sentences and grammatical structures. Language also includes idioms, slang and/or jargon.
Literacy is about using language effectively and involves reading, writing, speaking and listening.
Numeracy refers to the application of mathematical skills in real world situations. This involves interpreting mathematical concepts and language use in everyday life.