The Framework of Reference equals a European level system which determines the respective skills of listening, reading, speaking and writing within a grid of 6 internationally comparable levels.
In detail, these levels are referred to as follows:
A1 - A2
I can express myself in a simply way. I can interact in everyday situations although I still make mistakes.
B1 - B2
I can deal - with mistakes occurring occasionally - with most everyday situations quite well. I can take part without too much effort in any conversation of various situations and I wil be understood without difficulty.
C1 - C2
I can deal with difficult and unexpected situations and can express myself clearly and to great extent correctly.