C1 and P1

C1 and P1 can refer to various concepts depending on the context. Here are a few interpretations: 1. **Language Proficiency**: - **C1**: In the Common European Framework of Reference for Languages (CEFR), C1 denotes an advanced level of language proficiency where the individual can understand a wide range of demanding, longer texts and recognize implicit meaning. They can express themselves fluently and spontaneously.