PLIDA B2.1 is the first module of the upper-intermediate level course, designed for students who have completed the B1 level. This course focuses on enhancing the ability to communicate fluently and effectively in a wide range of social, academic, and professional contexts. Learners will work on expressing opinions, presenting arguments, understanding complex texts, and engaging in detailed conversations. The course emphasizes advanced grammar, expanded vocabulary, and the development of critical reading and writing skills. Completion of B2.1 prepares students to progress confidently through the B2 level.