The answer is motif :) any reoccurring theme, pattern, idea, image etc. in a work applies to this.
for example, an artist that includes flowers in across all of their work (or a series of it) would be depicting a floral motif. I hope this helps!!
71,061 33,267. Cristiano Ronaldo Forward, Midfielder.
73,125 38,869. Lionel Messi Forward.
50,389 22,901. Neymar Forward.
28,809 19,967. Luis Suárez Winger, Forward, Midfielder.
27,518 18,935. Gareth Bale Forward, Midfielder.
I can help if you put the answer choices :)