Creating Reusable Assets and Forms - New Perspectives on Adobe Dreamweaver CS5, Comprehensive - page 320

SESSION 6.1 VISUAL OVERVIEW
A keyword is a descriptive
word or phrase that is placed
in the meta tag with the
attribute name=”keywords”.
You add one keywords meta
tag to the head of each page
and then list all the keywords
for the site in that tag.
The meta tag with the
keywords attribute contains
the keywords for the page.
The meta tag with the
description attribute contains
the description for the page.
A meta description is a
short summary of the Web
page that is placed in the
meta tag with the attribute
name=”description” .