97fb24ca_ons___U_S__Department_of_State__Speaking_Definitions
[Proficiency Code] 4 - Full Professional Proficiency [Reading Definitions] Able to read all styles and forms of the language pertinent to professional needs. [Speaking Definitions] 
Able to use the language fluently and accurately on all levels pertinent to professional needs.
Language Proficiency Definitions - U.S. Department of State
Speaking Definitions