What does the butterfly dish in the kitchen mean?

Butterfly dishes in the kitchen refer to cold dishes arranged in the shape of butterflies.

As shown in the figure:

Cold dishes are dishes with unique style and strong technical skills. They are all eaten cold for a few hours, called cold dishes. The main raw material of cold dishes is mostly clinker, so it is completely different from hot dishes. Its main characteristics are: fine selection of materials, dry and fragrant taste, crisp and tender, cool but not greasy, bright color, neat and beautiful shape, harmonious and pleasing to the eye.