Free Form — a general keyword search for users that are unsure of the details of particular package and its contents.

Name Only — Targeted search for users that need to find a specific packages and do not want to sift through more generalized search results.

Name and Description — Specified searches for a certain package name or program that, while not in the name of the package, may be in the one-line description of the package (for example, searching for the Apache HTTP Server when the actual Red Hat Enterprise Linux package name is httpd.

Name and Summary — Similar to a Name and Description search, this search criteria searches package names and the longer Summary for the package. So, a search for "web browser" could result in several results that includes both graphical and text-based browsers.