"30개" translates to "30 items" in English. It can refer to a collection or a set of thirty individual objects, which could be anything from books to toys or pieces of fruit. The number 30 is often used in various contexts, such as counting, organizing, or categorizing items. In many cultures, the number 30 holds significance. For example, in numerology, it can symbolize creativity and communication. Additionally, in mathematics, 30 is an even number and can be factored into 2, 3, 5, and 6. Understanding the concept of "30개" can help in organizing and managing collections effectively.