In classification of organic compounds we use greek words. can you explain me.

@ sri krishna 
Your query are not clear , what u want to know exactly about organic compound , 
if u want to know about the classification , then below are the details 
they are classified into two main catagory 
1- open chain compound 
2- closed chain compound ( based upon their skeletal structure ) . 
in the catagory of open chain u have 2 catagory 
1- saturated organic compound 

2- unsaturated organic compound . 
in the catagory of closed chain u have 
1- homocyclic organic compound 
2- heterocyclic organic compound . 
in the catagory of homocyclic , u have 
1- aliphatic organic compound 
2- aromatic organic compound (obtained from greek word aroma means smell ) 
in the group of aromatic compound , u have benzoid and non benzoid organic compound . 
HOPE IT CLEARS YOUR DOUBT 
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