Primary colour (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">primary colour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(red is a primary colour)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for red that I've seen before include "Left-wing" , "Warning light colour" , "Inflamed" , "14 -- breed of 4" , "Merchant flag" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">primary colour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for blue that I've seen before include "Colour; obscene" , "sometimes heard of with little boy" , "Conservative > depressed" , "Top sportsman who's up" , "Sad, melancholy" .)