Contract period (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">contract period</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 term that I've seen before include "Hilary, in a > word" , "sentence?" , "A fixed or limited time - or an expression" , "Period of education" , "Through which something has got to last" .)