This is described in more detail below. Generations allows the main display to be filtered to show only nodes reachable from the current focus node by that many steps. Exit this filtering using Undo, described below. Undo backs out the last filtering operation requested by the user. Bookmarks saves or restores the state of NicheWorks so that it may be returned to.
Bookmarks are retained on disk, so they persist between sessions.
Help gives access to assistance. Types of assistance that are not available in the current installation will be grayed out. On Help describes how to use the help system. On Window describes the use of the window containing the menu bar. Man Page provides this manual page in a scrolling text window.