Field of activity (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">field of activity</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sphere that I've seen before include "Field; globe" , "Globe or domain" , "Solid figure - range of activity" , "Ball or field of influence" , "Globe or ball" .)
(Other definitions for purview that I've seen before include "... experience range" , "Range (of experience/thought)" , "Scope of concern" , "Ken" , "Range of thought" .)