spoken -
uttered through the medium of speech or characterized by speech; sometimes used in combination; "a spoken message"; "the spoken language"; "a soft-spoken person"; "sharp-spoken"
written set down in writing in any of various ways; "written evidence"
articulate expressing yourself easily or characterized by clear expressive language; "articulate speech"; "an articulate orator"; "articulate beings"
unwritten,
oral based on custom rather than documentation; "an unwritten law"; "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence
verbal communicated in the form of words; "verbal imagery"; "a verbal protest"