The Custom menu widget allows you to display pages, categories, and custom links with a single widget.

To use you first need to set up your custom menu in Appearance > Menu.

Here’s what it looks like when it’s added to a sidebar:

Custom menu

Settings

Once you add the widget to your sidebar in Appearance > Widgets, you’ll see the widget settings look like this:

Custom menu settings

Title:  Allows you to add your own custom title.  For example, Class Information.

Select Menu: Use this to select which of the custom menus you want to display.

Remember you first need to set up your custom menu in Appearance > Menu.