klasse

Example:The lesson covered the basic principles of physics.

Definition:A period of instruction or study in a classroom, often focused on a specific topic or subject.

Example:They took a course in economics to understand the economy better.

Definition:A sequence of classes involving instruction or study, especially at a school or university.

Example:The lecture was divided into several sections to accommodate all students.

Definition:One of several groups (especially of students), each taught by a different teacher or in a different room, in a school or college.