The style sheet with the highest priority controls the content display.
2.
The network can also discard non-conformant traffic in the network ( using Priority Control ).
3.
:: : : : : : : The thing is, process priority controls only one thing : if all things are equal, and all processes in consideration are runnable, the one with highest priority gets to run.
4.
CTIA / GTIA also controls Player / Missile Graphics ( aka sprites ) functionality including collision detection between displayed objects ( Players, Missiles, and ANTIC's Playfield ), display priority control over objects, and color / luminance control of all displayed objects.