The plain language movement is all about making writing and communication easier to understand. This means using simple words, shorter sentences, and clear language so that everyone can understand what is being said. It's like when you are reading a book and it's easy to understand the words and the story. This is because the author used plain language. People use plain language to make things like instructions, laws, and government forms easier to understand. It helps people know what to do and not to get confused. The plain language movement is important because people need to understand the information they are given so they can make informed decisions.