Vista - Contact wanted within group but not on contact page

I am entering new addresses in contact book. Some I like to see on the page,
but others I'd only like to have in the group section.

I entered the contact, and tried to drag and drop it into the group folder.
The entry was accepted into the group folder, but then now how do I get rid
of it showing up as an individual entry on the contact page?
--
Coug