1 : A method of displaying search information, comprising the steps of: submitting a query having one or more search criterion; displaying a summary result of the query in a search criteria control bar (SCCB) format, wherein the SCCB format associates with each the one or more search criterion an active control for narrowing a search and another active control for expanding a search with a one-click operation; and initiating another query when either active control for narrowing or expanding is clicked to obtain another summary result in the SCCB format reflecting results of the another query based on the active control that is clicked.