To reinforce the awareness of audiences on specific themes, visual and sonic elements may eventually use text or voice-over (v.o.) respectively, to convey composer's thoughts or ideas, as narrative information including data about journey’s facts, key present or past events related to the specific plot etc.
Visuals including text-form or v.o. are also linked to coordinates, however, with less degree of choice and interpretation. Experimentation with audience response with a number of visual stimuli will be necessary to ensure that the attention focus primarily on sound over visuals and that their role serves primarily to emphasise the sonic discourse.