Moving (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">moving</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for astir that I've seen before include "abroad" , "Awake and out of bed" , "Out of bed or on the move" , "Up and about -- is art (anag)" , "Excitedly moving" .)
(Other definitions for van that I've seen before include "Forefront, vehicle" , "Leading point of army" , "Commercial vehicle or front of army" , "camper?" , "Army front or business vehicle" .)