Like mosaic tiles
I believe the answer is:
inlaid
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like mosaic tiles</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 inlaid that I've seen before include "Decorated with inset pieces" , "Chased" , "Decorated with embedded materials" , "Set into the surface for decoration" , "Adorned with inserted wood etc" .)