perspicuous -
(of language) transparently clear; easily understandable; "writes in a limpid style"; "lucid directions"; "a luculent oration"- Robert Burton; "pellucid prose"; "a crystal clear explanation"; "a perspicuous argument"
clear readily apparent to the mind; "a clear and present danger"; "a clear explanation"; "a clear case of murder"; "a clear indication that she was angry"; "gave us a clear idea of human nature"
linguistic communication,
language the mental faculty or power of vocal communication; "language sets homo sapiens apart from all other animals"
perspicuous -
Of a language or notation, such as that of formal propositional calculus: where the process of inference from premises to conclusion is explicitly laid out.
