Is sketching and line drawing the same concept?

Sketching is a method of drawing in which the object is directly depicted, basically there are "landscape sketching", "still life sketching" and "portrait sketching" and so on, depending on the object to be depicted. Line drawing is a type of sketching. Line drawing is a form of sketching, in which objects are sketched with single-color lines. It is a form of drawing, and line drawing can be used as a technique for sketching, which is to express oneself with simple lines. Sketching can also be expressed in sketching colors. Monet's impression of the sunrise belongs to the sketching but is the color expression of the Chinese painting brush painting is to draw line drawing and then color. Line drawing in Chinese painting is also called white drawing.