1_ Complex sentence patterns, accuracy, idiomatic expressions, and extensive vocabulary evaluation.
2_Argument development, structured reasoning, and relevance assessment.
3_Grammatical precision, vocabulary variation, and linguistic competence indicators.
4_Criteria for coherence, relevance, illustration, and detailed arguments.
5_Progressive scoring principles addressing language and content separately.
6_Evaluation of knowledge breadth, logical structuring, and question comprehension.