The phrase "accessible language" refers to using words, phrases, and expressions that are easy for people to understand. It means communicating in a way that is clear and simple, without using complicated or confusing language. Full definition
It should be written in accessible language for clients and presented in a clear, organized manner. (remonline.com)
Play a role in the customer perspective at every step by making sure the business and product use accessible language at each stage of building, designing, improving, selling and revising. (entrepreneur.com)
I learned how to translate the language it uses into more accessible language for the legal markets. (joshkubicki.com)