| Best for | personal activities, occasional or casual business talks | business meetings, speeches, seminars | simultaneous conferences, any type of certified interpretation | 
				
					| Speaking and understanding in the SECOND LANGUAGE | speak and understand very well but may sometimes have difficulty with unfamiliar situations and vocabulary | speak and understand fluently but in rare cases, may encounter difficulties with industry-specific terminology | speak fluently and understand natively | 
				
					| Reading and writing in the SECOND LANGUAGE | read slowly and write simple sentences | read well and write complex sentences | read and write complex sentences fluently | 
				
					| Subject-matter knowledge | Optional | Recommended | Required | 
				
					| Interpretation education or certificate | Optional | Optional | Required |