THESAURUS
self-explanatory
apparent, clear, clear as crystal, comprehensible, crystal-clear, discernible, distinct, evident, explicit, express, indisputable, indubitable, manifest, noticeable, observable, obvious, open-and-shut, palpable, patent, perceivable, perceptible, perspicuous, plain, plain as day, seeable, self-contained, self-evident, self-explaining, tangible, to be seen, understandable, unmistakable, visible