1. Sketch is a Chinese word, and the pinyin is xiěshēng. A painting method that directly depicts objects or landscapes; Second, it refers to the paintings made by sketches; Three fingers are still portrayal; Four-finger writing business. It refers to writing an object alive.

2. Sketching refers to sketching a view, an object and an element from nature. Outdoor sketching can also be done in the studio, but sketching is different from still life. In still life, even an inanimate object will still show its natural state. Sketch and other exercises, such as life sketch, ancient painting and peaceful painting, are usually part of the artist's classroom exercises. Sketch works can be used not only as works of art, but also as notes or research for further painting in the studio.