Within topics, certain terms or concepts often require further description. Viewer provides the ability to associate definitions or notes with specific terms in a topic screen, then display these definitions or notes in a popup window. Popup windows can also include bitmaps, audio segments, animation sequences, and jumps to other topics.
In the following illustration, the first paragraph includes a hot spot that, when clicked, displays a window describing the Mexican War. Hot spots for popup windows appear within the topic text as green words with dotted underlines.
When you click the hot spot, the text appears as follows:
This window remains displayed until you click the mouse button again or press some other key.