Incoterms® are a set of rules which define the responsibilities of sellers and buyers for the delivery of goods under sales contracts. They are published by the International Chamber of Commerce (ICC) and are widely used in commercial transactions.
http://www.export.gov/faq/eg_main_023922.asp
In Scurri, Incoterms are used for some carriers, for example, DHL, where you can specify whether something is:
DDP - Deliver Duty Paid - Sender pays import charges
DAP - Deliver At Place - Receiver pays import charges
Let us know if you have any questions.