Stars often run announcements. What does the announcement mean?

Stars often run announcements, which refer to the activities signed by the company for stars, such as acting, opening ceremony, endorsement, fan meeting and so on.

a notice is an official document used to announce matters that should be observed or known within a certain range. Announce different announcements, which are mainly used for the needs of relevant units to carry out business work.

notice is a modern word and a proper noun, which refers to the official documents used when publishing matters that should be observed or known within a certain range. The circular "is applicable to the publication of matters that should be observed or known by all relevant sectors of society" (the State Council's Measures for Handling Official Documents of State Administrative Organs, implemented in January 21). Its users can be all kinds of organs at all levels, and its content often involves all aspects of society. Therefore, both its users and its content are quite extensive.