The characteristics of art are a very broad theme. Different art forms have different characteristics, but the following aspects are emphasized by many works of art: 1. Express feelings and thoughts: works of art usually convey the feelings and thoughts of the artist through the expression of emotions and thoughts. This kind of expression can be direct, metaphor, symbolism, etc. Artists can express it through different media such as painting, sculpture, music, drama, film, etc. Form and structure: The form and structure of a work of art can affect the audience's experience and feelings. For example, some paintings may use strong color contrast or complex composition to attract the audience's attention, while others may express their theme through simple lines or simple geometric shapes. 3. Expressionism of time and space: Art works can express the concept of time and space by depicting scenes, people, or things to convey the passage of time and the transformation of space. For example, a historical painting might show historical events or people and emphasize the perception of time and space. Symbols and Metaphors: Art works often use symbols and metaphor to express their theme and emotions. These symbols and metaphor can be direct, suggestive, figurative, etc. Artists can use various techniques to convey them, such as color, line, shape, sound, etc. 5. Artist's personal style and stylisation: Every artist has their own unique personal style and stylisation, which can be reflected through their works. For example, some artists might use specific colors, lines, compositions, and expressions to express their own style. The characteristics of works of art are very diverse. They can express the feelings and thoughts of the artist in different ways and influence the emotions and thoughts of the audience.