1 - Basic: Can understand and use simple, everyday expressions. Very limited communication and dependent on help to express themselves. 2 - Elementary: Can communicate in simple, routine situations, but still has a limited vocabulary. Basic understanding of short sentences. 3 - Intermediate: Can deal with most everyday situations, understands and produces simple texts. Reasonably fluent communication, with some errors. 4 - Advanced: Can communicate fluently and spontaneously. Can understand more complex texts and participate in technical and professional conversations with confidence. 5 - Native / Bilingual: Complete command of the language, both oral and written. Communicates naturally and accurately in any context.