Change position (5)
I believe the answer is:
shift
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">change position</span>' is the definition.<br/ ><span class="explanation-format__explanation">(shifting is a kind of changing position)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for shift that I've seen before include "Dislodge" , "Move from one position to another" , "Simple dress; spell of work" , "Change (gear); dress" , "Alter" .)