1. A keyboard arrangement comprising: a plurality of manually actuable keys in a fixed array of at least three rows, numbered sequentially from a first, top row, to a last, bottom row, and at least nine columns, numbered sequentially from left to right, at least some of which keys correspond to letter, number, punctuation and special character symbols in a given language; wherein information corresponding to said symbols is to be conveyed to information receiving means associated with the keyboard arrangement, and wherein at least some of the symbols that correspond to the keys are assigned to at least one of a plurality of attribute classes according to the number, position, direction or contours of the lines within the symbols such that there are at least three keys in each column of at least nine columns that correspond to symbols within the same attribute class.