Implementing a controlled language is now cheaper and easier than ever!

The controlled language (CL) model is not new: Caterpillar Fundamental English was rolled-out in 1972, and many other enterprise- and a few industry-level controlled languages followed since then. What is new is the fact that now complete commercial rule sets and powerful CL tools are available for free, making controlled language authoring attractive for even the smallest organizations.

Text by Uwe Muegge

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Implementing a controlled language is now cheaper and easier than ever!

Image: © mark wragg/ istockphoto.com

Why use a controlled language?

Improving the readability of technical texts

The first controlled language, C.K. Ogden’s Basic English, consisted of 850 words and was published in 1930 with the goal of reducing the time needed to learn English. Modern controlled languages typically have two components:

  • Grammar rules that are more restrictive than the rules of the general language;
  • A vocabulary that contains only a fraction of the words of the general language.

These types of restrictions help authors avoid writing long, convoluted sentences and using uncommon words, all of which are arch enemies of easy readability and comprehension.

Supporting the translation process

When the European Aerospace Manufacturers Association (AECMA) introduced Simplified Technical English, the primary goal was not to simplify translation, but to completely eliminate it. How? By providing authors of ...