1, various forms of text symbols, including words, phrases, surnames, pseudonyms, place names, letters, numbers, abbreviations, etc.;

2. Sound signs, including sound and music clips;

3. Graphical signs, including design drawings, marks, seals, stripe patterns, reliefs, holograms, icons and computer drawings; Appearance, especially the appearance of the product or its packaging, or the appearance showing the characteristics of the service; And the arrangement, combination or gradient of colors.