To create a summary slide:
If you want to include a summary of the key points in your Microsoft
PowerPoint presentation, you can use Slide Sorter view to easily create a
single slide that presents a list of selected slide titles.
On the View menu, click Slide Sorter.
In Slide Sorter view, hold down CTRL while you click the slides that have
titles that you want to include in your summary slide.
Tip Include only the slide titles that best summarize your presentation.
On the Slide Sorter toolbar (toolbar: A bar with buttons and options that
you use to carry out commands. To display a toolbar, press ALT and then
SHIFT+F10.), click Summary Slide .
If the Slide Sorter toolbar is hidden, on the View menu, click Toolbars, and
then click Slide Sorter.
The summary slide is created and added to your presentation.
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Then you'll want to create Custom Shows (sections) for each of the items on
your Summary slide. Use: Slide Show > Custom Show.
To link to your Custom Shows from your Summary slide, right click on an
item, select Action Settings > Hyperlink > Custom Show. Browse to your Custom
Show. Select to Show and Return to return to Summary Slide after each section
is complete. Repeat for each of the items on your Summary Slide.