Homonym: Number Sign (Hash)
The "Number Sign," also known as the hashtag (#), is a symbol used primarily to denote numbers. It is commonly found in various contexts, such as in mathematics to indicate a number (e.g., #1 for "number one") or in programming languages to signify comments or special functions.
In recent years, the number sign has gained popularity on social media platforms like Twitter and Instagram, where it is used to create hashtags. Hashtags help categorize content, making it easier for users to find posts related to specific topics or trends, such as #Travel or #Food.