Kanban Boards. Use a card as a token (Kanban) of a task, story, feature and stick them to a timeline (board).
用卡片作为任务、故事、特性的象征(看板)，并将它们依附在时间线上(看板图)。
2
The horizontal axis of this chart is a timeline and vertical areas in the timeline represent releases and each card posted to the areas represents one feature that will be implemented in the release.
表的横轴代表时间线，线上的竖直区域代表发布，在区域中的卡片各自代表一项该次发布中要实现的特性。
3
This feature allows the kernel to control the graphics hardware after the required components are initialized (such as the PCI bus and graphics card).