what the difference between "harm == hurt == damage"..?

Question

what the difference between "harm ==> hurt ==> damage"..?

Answer

Harm 

http://www.merriam-webster.com/dictionary/harm 

Hurt 

http://www.merriam-webster.com/dictionary/hurt 

Damage 

http://www.merriam-webster.com/dictionary/damage 



If you see in this link http://www.merriam-webster.com/thesaurus/harm

 - HARM/ HURT/ DAMAGE are synomyms.