The General menus - File, Edit, Filters, View, Help - have commands that are common to most CAD applications.
The commands in the Add menu are to add MechDesigner elements. They are in each of the three . The commands in the Add menu are also contextual to the active editor-types.
We list the help topics for the commands in the Add menu with the help for each editor - see 2: Model-Editor, Mechanism-Editor, Part-Editor.
The General toolbars have icons for commands that are common to most CAD applications.
The General toolbars are above and below the graphic-area.
Each General toolbar has an icon you click to expand and collapse the toolbar.
The General toolbars are collapsed when you start MechDesigner.