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.