By the late 1950s he also developed his own system of graphic notation incorporating visual symbols, relying on their interpretation and improvisation by performers.

The ceremony of public penitence then began with a procession of prisoners, who bore elaborate visual symbols on their garments and bodies.

Visual symbols were deemed trivial and subservient, thus were largely ignored.

She pioneered a system of visual symbols, first using pipe cleaners to easily create the shapes.

The alphabet with its limited number of visual symbols to represent the primary elements of human speech was well suited to trade.