(1) meaning. Significantness refers to the characteristics that a trademark can be distinguished from nature. The first question mentioned that a trademark is a sign to distinguish the source of goods or service providers. The so-called sign is a sign that shows a characteristic and should be easy to identify. Today, I will introduce you to the basic characteristics of a trademark for your reference. (1) meaning. Significantness refers to the characteristics that a trademark can be distinguished from nature. The first question mentioned that a trademark is a sign to distinguish the source of goods or service providers. The so-called sign is a sign that shows a characteristic and should be easy to identify. (2) business. Commerciality refers to the use of trademarks in commercial activities. Although the aforementioned traffic signs and safety signs are also signs, they are not used for commercial activities, so they are not trademarks. (3) exclusivity. Proprietary means that a trademark is used by an enterprise. Although some signs are also used in commercial activities, they are not trademarks because they are not used by single-minded enterprises, so they cannot distinguish the source of goods. For example, the highly toxic signs (skeleton diagram) on pesticide products and the moistureproof of precision instruments belong to the signs used in commercial activities, but they are not trademarks. Because these signs are common to enterprises and do not have the function of distinguishing sources of goods.