It's embellishments, brocades, opulence in fabric choices, loads of lace, embroidery and attention to details.
Style Notes: for those of us who are 'neutral nellies' or 'funeral drab' this will be a difficult trend to embrace; consider thinking of this trend more in your choice of fabrics than in actual embellishments and prints {a white button down that has a lace overlay collar or black wool pants made of brocade fit the bill}; this could be an expensive trend to follow unless you stick to the styles you love but with a touch of high-brow thrown in