5. The method of claim 4 , further comprising: (l) displaying by the client application, concurrently with the visual representation of a refinement relationship between the first search query and the second refined search query, a visual indication that the at least one first refined search result was displayed before the at least one second refined search result was displayed.
4. The method of claim 3 , further comprising: (h) receiving by the client application from a user via the at least one first graphical object a second selection of one of the first suggested search query refinements, the second selection corresponding to a second refined search query including the at least one first search term and at least one second additional search term; (i) sending by the client application to the search engine a request to obtain the second refined search results; (j) receiving by the client application from the search engine second refined search results in respect of the second refined search query; and (k) displaying by the client application at least one second refined search result and a visual representation of a refinement relationship between the first search query and the second refined search query.