Flat composition color picture collection simple

Quick answer：

Flat composition, also known as composition of two-dimensional design, is a fundamental concept in art and design. It involves the arrangement and organization of elements such as color, shape, line, and texture to create a visually pleasing and harmonious artwork. A 'color picture collection' typically refers to a collection of images or illustrations focusing on the use of color. 'Simple' implies that the collection is straightforward and easy to understand, without overly complex designs or concepts.