Digit, number (6)
I believe the answer is:
figure
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">digit</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(figure is a kind of digit)</span><br/ ><br/ >'<span class="explanation-format__original">number</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(figure is a kind of whole number)</span><br/ ><br/ ></span>
(Other definitions for figure that I've seen before include "Number; statue" , "Symbol, numeral" , "Judge to be probable, estimate" , "Shape; amount of money" , "Statistic - physique" .)