How do I search by concept or keyword in FontAgent Pro?

Using Keyword Search to Search by Concept
To access these search tools, click the Find icon in the Toolbar, then click on the Keyword Search tab. Then enter a keyword in the text field and click the Search button.

FontAgent Pro’s Keyword Search facility finds fonts that match keywords describing their appearance, category, usage and other attributes. For example, you can enter terms such as "Western " or "Italian Restaurant," and FontAgent Pro displays a list of fonts that match those keywords.