English, Te Reo Maori, NZSL, French and Czech. One name for one language. However, people use these languages in numerous different ways. This often depends on where they come from, who they talk/write to and in what situation the linguistic interaction takes place.
is a usage-based approach to the study of language
is interested in different contexts in which language is used
makes use of large databases of written text or transcribed speech (corpora)
analyses language corpora using specialised software
"Corpus linguistics and..." offers ideas, discussions and tools for interdisciplinary study of language informed by language corpora. This site also provides information about ADVICe - a corpus of New Zealand academic English.