1. The object of copyright is a work, which refers to an intellectual achievement that is original in the fields of literature, art and science and can be reproduced in some tangible form;
2. Trademarks are commercial signs used to distinguish goods and services from different sources, which are composed of characters, graphics, letters, numbers, three-dimensional signs, color combinations, sounds or the combination of the above elements;
3. The appearance design protected by the patent law refers to a new design that is aesthetically pleasing and suitable for industrial application based on the shape, pattern or combination of products and the combination of color and shape and pattern;