It can refer to:
* School Class: A group of students who learn together.
* Social Class: A group of people with similar social, economic, or educational status.
* Category or Type: A group of things with common features.
For example:
* "Saya belajar di kelas bahasa Inggris." (I study in the English class.)
* "Mereka berasal dari kelas menengah." (They are from the middle class.)
* "Mobil ini termasuk kelas premium." (This car belongs to the premium class.)