Feature: it can be used as a sign and symbol of the characteristics of things. Characteristic: the uniqueness of a person or thing. Characteristics: the unique characteristics of people and things.

Discrimination: characteristics can refer to nature or content, form or appearance, and can also refer to abstraction or concreteness. For example, oil is flammable and will not leave ashes. His speech was characterized by gesturing while walking. Characteristics refer to concreteness, especially appearance or form. For example, large and prominent frog eyes are the characteristics of frogs. Refers to things that are not so abstract, such as the characteristics of the times. Feature refers to a unique style, style, appearance or scene, which is an obvious feature. Refers to the specific majority, such as Tao Jiakuang's characteristic is the grape kingdom. It is not so abstract. For example, the first feature of Cao Cao's dictatorship is that it is still a criminal name. Characteristics refer to the inherent special properties, generally referring to the properties and properties of articles, such as asbestos, which is not easy to burn.