Common European Framework of Reference for Languages (CEFR)

Starter: this level is learning the basics words and sounds.

Beginner: A1 - at this level, you've reached elementary proficiency. You can understand and use very basic phrases and simple everyday expressions to meet immediate needs in familiar situations.

Elementary: A2 - at this level you can understand and use basic vocabulary and grammar to complete simple and routine tasks. You can manage direct information exchange on familiar matters regularly encountered.

Intermediate: B1 - at the B1 level, you can comprehend and produce more complex sentences and express yourself clearly on topics like work, school, leisure, and personal interests.

Upper Intermediate: B2 - This level marks significant progress in your language proficiency. You can express yourself fluently and spontaneously without much obvious searching. You understand complex subjects and participate in discussions on familiar matters or topics of personal or professional interest, providing arguments and expressing clear viewpoints.

Advanced: C1 - Proficiency at this level involves a high degree of fluency and accuracy. Learners can understand a wide range of demanding, linguistically complex texts, including contemporary literary prose, professional or literary works, and specialised articles. They can recognize implicit meaning and particular attitudes and convey finer shades of meaning through flexible language use. 

At this level, learners express themselves fluently and spontaneously, using language flexibly and effectively for social, academic, personal, or professional interests. They can produce well-structured, detailed texts on complex subjects, and their speech shows an effective logical structure with minimal need for correction.

Advanced Proficy: C2 - This highest CEFR level reflects near-native mastery. You can understand almost everything you read or hear, including contemporary literary prose and specialized articles. Regional accents may pose a brief challenge, but comprehension is strong.

You can summarize and restructure content from multiple spoken and written sources with precision. Your language usage is accurate, flexible, and nuanced, allowing you to develop arguments and convey complex subjects with clarity and particular points.