At level B1, you can understand the main points of many workplace situations when clear standard language is used. You can express yourself simply on familiar topics and report on experiences and describe goals.

At level C1 you can express themselves spontaneously and fluently. You are familiar with colloquial expressions and can vary the style of language in a targeted manner. You maintain a high level of grammatical correctness

At level B2 you can express themselves clearly and in detail and successfully argue and negotiate. You have a large vocabulary in your own specialist area and on most general topics. You have a good command of grammar.