Doric, Ionian and Corinthian order are Ancient Greek architectural orders regarding the structure of an entablature. In each order the proportions of the subdivisions (architrave, frieze, cornice) are defined by the proportions of the column.
  
  
    
       
       
  
  
  
    
       
       
  
  
  
    
       
      
  
  
  
  
 
       Doric Order entablure
 
       Ionian Order entablure
 
      Corinthian Order entablure
 
 
 
 
