pound symbol

The #️ emoji is usually called "pound sign" or "hash symbol". In the context of modern digital communication and social media, it has multiple uses. It is often used to mark topics, making it convenient for users to search and classify relevant content. For example, on social platforms such as Weibo or Twitter, #️travel can group all the travel - related content with this tag together. It can also be used for numbering or sequencing, serving as a special symbolic identifier in some list or numbering systems.