Kingdom (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">kingdom</span>' is the definition.<br/ ><span class="explanation-format__explanation">(kingdom is a type of country or realm)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for realm that I've seen before include "Knowledge base" , "Area of interest/activity" , "Peers are possessed by this" , "Province" , "World" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">kingdom</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 empire that I've seen before include "Over which 23 down rules" , "Widespread political or industrial organisation" , "Wide dominion" , "Former British rule" , "Eg Holy Roman, British or Ottoman" .)