6. The method of claim 4 , wherein: (c) includes displaying by the client application a first plurality of buttons selectable by a user, each button in the first plurality of buttons corresponding to one of the first suggested search query refinements and including text representative of that suggested search query refinement; (d) is receiving by the client application from a user a selection of a first button from the first plurality of buttons; and (h) is receiving by the client application from a user a selection of a second button from the first plurality of buttons.
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.