(Nonstandard dialects can be viewed as a wild type in comparison with standard languages.)
Typical purposes for developing and implementing a controlled natural language are to aid understanding by non-native speakers or to ease computer processing.
An example of a widely-used controlled natural language is Simplified Technical English, which was originally developed for aerospace and avionics industry manuals.
[3] Natural languages evolve, through fluctuations in vocabulary and syntax, to incrementally improve human communication.
Latino sine flexione, another international auxiliary language, is no longer widely spoken.