1. A method comprising: causing display of at least a portion of an interface that includes an input field configured to enable a user to enter one or more terms that define a search query and that includes a search control configured to, when selected based on user input, initiate a search using a search query entered in the input field at a time of selection of the search control; receiving user input selecting the search control included in the interface at a time when one or more terms have been entered in the input field included in the interface to define a first search query; in response to the selection of the search control included in the interface at the time when one or more terms have been entered in the input field included in the interface to define the first search query: accessing the first search query that was entered in the input field included in the interface at a time of selection of the search control; initiating a first search using the first search query that was entered in the input field included in the interface at the time of selection of the search control to identify search results that are responsive to the first search query; based on the first search using the first search query, accessing a first list of search results that are responsive to the first search query, the first list of search results including at least a first search result that is responsive to the first search query and that links to first electronic content; and causing display of an interface with the first list of search results accessed based on the first search using the first search query, the interface with the first list of search results having a representation of the first search result that links to the first electronic content, a first search identifier that provides an indication of the first search query that was entered in the input field included in the interface at the time of selection of the search control, and a search area that enables a user to initiate a second search using a second search query while the first list of search results is displayed; after causing display of the interface with the first list of search results, causing display of at least a portion of the first electronic content concurrently with the first list of search results, the first search identifier, and the search area that enables a user to initiate a second search using a second search query; after causing display of at least a portion of the first electronic content concurrently with the first list of search results, the first search identifier, and the search area that enables a user to initiate a second search using a second search query, receiving, through the search area, second search input that defines a second search query and that indicates a desire to perform a second search using the second search query; in response to receiving the second search input that defines the second search query and that indicates a desire to perform the second search using the second search query: initiating the second search using the second search query to identify search results that are responsive to the second search query; based on the second search using the second search query, accessing a second list of search results that are responsive to the second search query, the second list of search results including at least a second search result that is responsive to the second search query and that links to second electronic content, the second list of search results being different than the first list of search results, and the second search result being different than the first search result; and without additional user input after receiving the second search input, causing display of the second list of search results in a manner that facilitates review of the second list of search results and return to the first list of search results by: hiding, from display, the first list of search results; causing display of the second list of search results accessed based on the second search using the second search query; and maintaining display of the first search identifier such that the first search identifier is displayed concurrently with the second list of search results, the first search identifier being configured such that input related to the first search identifier causes display of the first list of search results; and after causing display of the second list of search results in a manner that facilitates return to the first list of search results, causing display of at least a portion of the second electronic content concurrent with the second list of search results and the first search identifier that is configured such that input related to the first search identifier causes display of the first list of search results.
6. The method of claim 1 wherein causing display of the interface with the first list of search results accessed based on the first search using the first search query comprises selecting a first advertisement based on the first search query and causing display of the first advertisement in the interface with the first list of search results accessed based on the first search using the first search query.