Synonyms and related words :
clean-cut, clear, clear as crystal, clear as day, clear-cut, coherent, connected, consistent, crisp, crystal-clear, crystalline, defined, definite, direct, distinct, explicit, express, limpid, loud and clear, lucid, luminous, pellucid, perspicuous, plain, simple, straightforward, translucent, transparent, transpicuous, unambiguous, unequivocal, univocal, unmistakable, well-defined