The document outlines the Common European Framework of Reference for Languages (CEFR) levels for language proficiency. It provides detailed descriptions of what individuals can do at each level across several domains including listening, reading, spoken interaction, written interaction, spoken production and written production. At the lowest A1 level, individuals can understand and use basic phrases to communicate personal details. Proficiency increases through the A2, B1, B2 levels with ability to understand more complex language, discuss abstract topics and interact spontaneously with native speakers. The highest C1 level involves fluency, flexibility and ability to produce clear, well-structured writing on complex issues.