A basic ability to communicate and exchange information in a simple way.
Example: Can ask simple questions about a menu and understand simple answers.
An ability to deal with simple, straightforward information and begin to express oneself in familiar contexts.
Example: Can take part in a routine conversation on simple predictable topics.
The ability to express oneself in a limited way in familiar situations and to deal in a general way with nonroutine information.
Example: Can ask to open an account at a bank, provided that the procedure is straightforward.
The capacity to achieve most goals and express oneself on a range of topics.
Example: Can show visitors around and give a detailed description of a place.
C1 Effective Operational Proficiency
The ability to communicate with the emphasis on how well it is done, in terms of appropriacy, sensitivity and the capacity to deal with unfamiliar topics.
Example: Can deal with hostile questioning confidently. CAN get and hold onto his/her turn to speak.
The capacity to deal with material which is academic or cognitively demanding, and to use language to good effect at a level of performance which may in certain respects be more advanced than that of an average native speaker.
Example: Can scan texts for relevant information, and grasp main topic of text, reading almost as quickly as a native speaker.