Where ICT provides information or needs user interaction, it must offer features or presentation that make it easier to grasp and to operate, and simpler to use. Notes give adjustable playback speed and timing, error indication and suggestion, logical focus order, audio output of text, spelling aid and word prediction, and tasks presented in easy steps; every Annex B row marked P or S in column LC bears on it.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.