What are the CEFR Levels?
CEFR stands for Common European Framework of Reference. The CEFR levels provide a way of describing a person’s language proficiency.
There are six levels: A1, A2, B1, B2, C1 and C2. A1 is the lowest level in terms of ability and C2 is the highest.
The CEFR descriptors
The CEFR descriptors (or "can-do" statements) provide a detailed description of what a language user can do at each level.