Language level C2 is the highest level of language proficiency according to the CEFR, and certifies and is at the level of competent language use. At this level, one should be able to understand everything one reads or hears in the foreign language with ease. Information from different sources should be able to be summarized, explained and explained in a coherent presentation. Speaking should be spontaneous and fluent, and it should also be possible to make complex and difficult issues clear by means of fine nuances of interpretation.