What does it mean when there is a little diskette icon next to one or more of my paragraph styles in
It means that style came in with an imported text document.
It's all in the Help: http://help.adobe.com/en_US/indesign/cs/using/WS9D351498-DAAC-4be1-B4B8-2B6C72FF6CEDa.html
Gee, somehow I missed that. Found it now. Thanks.
Retrieving data ...