Wide vista (8)
I believe the answer is:
panorama
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wide vista</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for panorama that I've seen before include "Comprehensive survey" , "Am on a par (anag)" , "Total view (of subject)" , "Wide view of region" , "Unbroken view of surrounding area" .)