The group of incoterms under which the seller’s responsibility is to obtain freight paid transport document for the main carriage is

Logistics is a part of supply chain management that deals with the efficient forward and reverse flow of goods, services, and related information from the point of origin to the point of consumption according to the needs of customers. Logistics management is a component that holds the supply chain together. (Source: Wikipedia)

There are four main types of logistics management:
Supply Management and Logistics
Distribution and Material Movement
Production Logistics and Management
Reverse Logistics and Product Return