complicated word block on white

complicated word block white complex intricate confusing challenging difficult elaborate involved multi-faceted complexities problematic perplexing intricacies knotty complication confounded involving ambiguous tangled involvedness complexified confoundedly complexity entangled complicating problematical enigmatic thorny complicatedness complicacy theory dilemma confusion complicateness situation difficulty puzzle issues knottiness science quandary structure interplay problem-solving problem relationships conundrum matters systems process data