What is Non-native?

Non-native definition and meaning on Dictionary terms:
of or relating to a language that is not the first language acquired by a person: It is harder to communicate in your nonnative language.
of or relating to a person communicating in a nonnative language: a nonnative speaker of English.
Biology. of or relating to a plant or animal that is not indigenous to a region: The proliferation of nonnative plants is choking out the local flora.
Digital Technology. of or relating to software that was not originally designed for the platform on which it is running: nonnative user interfaces; nonnative apps.