差分
==Core Graphicsの位置関係==
{| class="wikitable" style="background-color:white"
|- align=center
| style="background-color:lightgray" | CoreGraphics<br/>(2D)
| QuickDraw<br/>(2D)
| QuickTime<br/>(Multimedia)
|- align=center
| colspan=4 | Core Graphics Service<br/>(Window Server)
|- align=center
| colspan=4 | Mach<br/>(Kernel)
|}