What are the differences between DAT and DAP Incoterms?

DAT and DAP are two new international commercial terms, which have been introduced to the foreign trade world with the publication of Incoterms 2010 rules. 

Before January 1, 2011, which is the effectiveness date of Incoterms 2010, there were no incoterms called DAT or DAP.

Today I want to mention the differences between DAT Incoterms and DAP Incoterms according to latest ICC rules of international commercial terms.