plain language
writing designed to ensure the reader understands as quickly, easily, and completely as possible
en-US/ˈpleɪn ˈlæŋɡwɪd͡ʒ/
en-GB/ˈpleɪn ˈlæŋɡwɪd͡ʒ/
writing designed to ensure the reader understands as quickly, easily, and completely as possible