73af6f5e_nguage_testing___Scales_Levels__Proficiency
[Level] 4 [Definition] Able to write the language precisely and accurately in a variety of prose pertinent to social issues and professional needs. Errors of grammar, syntax, punctuation and vocabulary are rare. Writing is consistently and explicitly organized with appropriate connectors and discourse devices (ellipsis, parallelisms, subordinates). [Proficiency] 
Advanced Professional Proficiency
Language testing - Scales/Levels