Platforms and platform software conform to ANSI/HFES 200.2 (2008) sections 9.3.3 sequential entry of chorded keystrokes, 9.3.4 adjustable delay before key acceptance, 9.3.5 adjustable same-key double-strike acceptance, 10.6.7 visual alternative for audio output, 10.6.8 synchronised audio equivalents for visual events, 10.6.9 speech output services and 10.7.1 display of any captions provided.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.