Kado, which literally means an art of poems, is an art of creating waka (traditional Japanese poems of thirty-one syllables) and a study regarding waka itself (treatise on waka poetry and the study of waka).
歌道（かどう）とは、和歌の創作や和歌自体に関する学問（歌論・歌学）を追及する学芸を道に擬えたもの。