"100K" typically refers to the number 100,000, which is a significant milestone in various contexts. In finance, it often represents a target income, savings goal, or the number of units sold. For example, reaching a 100K salary is a common aspiration for many professionals. In the realm of social media, "100K" can denote the number of followers or subscribers. Achieving 100K followers is often seen as a mark of influence and credibility, especially for content creators and businesses. This milestone can lead to increased opportunities for partnerships and monetization.