The table of contents on the outline page will be displayed to this depth (depending upon your theme).This value will apply for the whole book, though it can be overridden at the node level if wanted.

• 纲要功能可以让您将文章纳入手册目录结构，您也可以将手册页面从一级目录移动到另一级，或者重新排列整个手册层次。