What is a Label? 
A label is a tool for identification, used to categorize, describe, and recognize various objects. We can understand the meaning and use of labels from multiple perspectives.

1. Physical Labels

The earliest form of labels is physical labels. A label is a piece of paper, plastic film, cloth, metal, or other material attached to a package or product, which contains information about the product or item. For example, the label on clothing, also known as a swing tag, is connected to the garment by a string or a strip of plastic and typically indicates size, material, washing instructions, and so on. As early as 1700, Europe printed the first batch of labels used for identifying goods such as medicines and textiles. However, with a history of 5,000 years, Chinese civilization must have had systems for distinguishing and using various items long before that.

2. Digital Labels

With the advancement of technology, the form of labels has also evolved. Nowadays, we have various digital labels, such as electronic identity labels, national network identity on the National Network Identity Authentication Public Service Platform, and various online accounts. These digital labels use digital technology to identify and manage information, making it convenient for users to search and utilize. In addition, e-book labels also fall into this category, helping readers quickly understand information such as the publisher, author, and genre of the book.

3. Social and Personal Labels

In addition to physical and digital labels, labels also exist at the social and individual levels. Society has specific perceptions and prejudices about different types of people, which can be seen as a form of labeling. For example, people may categorize and evaluate others based on factors such as occupation, gender, and age. Moreover, individuals can also label themselves to express their identity, values, and behavior. This self-labeling is a dynamic process that can be refined through continuous learning and adjustment.