The basic knowledge of comics in the 2D world included: [1. Animation: refers to the fictional world presented in the form of comics, animations, games, etc.] 2. Comics: refers to fictional stories presented in the form of comics, usually with illustrations and storylines. 3. Animation: refers to the fictional world presented in the form of animation, usually with elements such as comics, illustrations, music, etc. 4. Game: refers to a fictional world presented in the form of a game, usually with characters, props, scenes, and other elements. 5. Two-dimensional culture: It refers to the cultural phenomenon with Japanese anime, manga, light novels, etc. as the main content, which has a wide influence on a global scale. 6. Moe attribute: The cute, childish, and cute attributes of some characters or items are often used to attract fans and express emotions. 7.3D: It means that the real world and the 2D world are two different worlds. 8. Cosplay: It refers to role-playing. It usually refers to imitating the characters in anime, manga, games, etc. through makeup, costumes, props, and other means to restore the character's image. The above is the basic knowledge of anime circles in the 2D world. I hope it can be of help to you.