Everyday understanding and ability to converse: express an opinion, argue a case. The learner can understand the main ideas in a complex text on a concrete or abstract topic, including a technical discussion in his/her field of specialisation. He/she can: communicate with a degree of fluency such as in a conversation with a native speaker involving no strain for either party; express himself/herself in a clear and detailed manner on numerous subjects; explain a viewpoint on a current topical issue; outline the advantages and disadvantages of various options.