In facsimile, a frequency modulationsystem where one frequency represents picture black and another frequency represents picture white[?]. Frequencies between these two limits may represent shades of gray
An intentional frequency change used for modulation purposes
... to which Moi belonged, against the dominance of the big Luo[?] and Kikuyu tribes that comprised the majority of Kanu's membership (Kenyatta himself being a Kikuyu). ...