Maybe this is what you're looking for:
Create a table of contents (TOC) slide with links
http://www.pptfaq.com/FAQ00615.htm

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Thanks,
Glenna Shaw
Microsoft PowerPoint MVP Team
http://www.pptmagic.com
> Hi
> I would like to make a visible synopsis in my presentations, where the part
> of the synopsis that I work with is highlighted. I have seen several
> presentaions where the synopsis was highlighted in the bottom, but have no
> idea to make this can of interactive synopsis