intricacy

labyrinthine

Extremely complex and winding

• byzantineDauntingly intricate and devious
• convolutedExcessively complex or twisted
• tangledTwisted confusedly together

knotty · elaborate · multifaceted · serpentine · tortuous · entangled · ramified · involved · complicated · dense

filigree

Delicate twisted-wire ornamentation

• laceworkOrnamental open-weave fabric
• fretworkInterlocking ornamental design
• traceryDecorative branching stonework

arabesque · scrollwork · latticework · embroidery · brocade · damask · rococo · baroque · gilding · inlay

subtlety

Fine distinction, easily missed

• shadeDarkness from blocked light
• gradationIncremental transition between stages
• distinctionNotable difference or honor

refinement · finesse · delicacy · nicety · overtone · undertone · connotation · implication · subtext · fine point

minutiae

Petty precise particulars

• granularityLevel of detail
• particularsIndividual facts or details
• specificsExact details of something

meticulousness · thoroughness · precision · exactness · subtlety · scrutiny · dissection · breakdown · enumeration · itemization

maze

Puzzle of passages

• labyrinthIntricate passage network
• enigmaSomething hard to fathom
• conundrumPerplexing problem or question

riddle · cryptogram · cipher · brainteaser · tangle · Gordian knot · quandary · dilemma · paradox

interlace

Weave elements together

• braidInterwoven strand pattern
• plaitWoven strand of hair
• macrameOrnamental cord knotting

basketry · wicker · lattice · mesh · netting · crochet · knit · tapestry · weft · warp

• aesthetic qualitieselegance, beauty, brilliance, charm, sublime
• pattern traitsregularity, symmetry, repetition, uniformity, variation
• artistic depthsymbolism, subtext, layering, nuance, metaphor
• fine pointsnuance, subtlety, detail, minutiae, minutia
• overcomplexityoverengineering, overthinking, convolution, overdesign, overkill
• subtletiesnuance, nuances, subtlety, nicety, niceties