The process of copying calligraphy and painting according to the original work is called copying. Pro is written or drawn according to the original work; Imitation is to write or draw on the original with thin paper (silk). Copying in a broad sense is not necessarily calligraphy and painting, but also tablet, sticker and so on.
In order to learn skills, copying focuses on the process of copying. Replicas obtained for preservation, restoration, exhibition and sale, focusing on the results of reproduction.