We define plain English as something that the intended audience can read, understand and act upon the first time they read it. Plain English takes into account design and layout as well as language. （我们把简明英语定义为：预期受众只需读一遍即可以理解并据此采取行动的语言。简明英语不仅强调语言，也强调外观设计和排版。）——Plain English Campaign, U.K.
Plain language writing is technique of orgnizing information in ways that make sense to the reader. It uses straighforward concrete, familiar words. （简明语言是以读者感到清楚的方式组织信息的技巧。简明语言使用直白、具体和常见的词汇）——Minister of Multiculturalism and Citizenship of Canada, in Plain Language: Clear and Sinple