This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
The position or manner of use of an instrument is described by: 
Select and explain. 
A. Class, B. Suborder, C. Subclass, D. Order
B: Suborder
Answer: B: Suborder 
Explanation: Dr  Black  prescribed  four  classes,  similar  to  a  biological classification: 
Order - Purpose of instrument 
Suborder - Position or manner of use 
Class - Form of working end 
Subclass - Shape of the shank.