Creating Reusable Assets and Forms - New Perspectives on Adobe Dreamweaver CS5, Comprehensive - page 321

META INFORMATION & LIBRARY ITEMS
The buttons that enable
you to add keyw ords and
descriptions are found in
the Head drop-down list.
A library item is a page
ele m ent saved i n the .lbi
file format that can be
inserted in more than one
page of a site.