Question: what are fedex service types?
Answer: Shipping Envelopes and Packages in the U.S. FedEx First Overnight® Delivery Time. ... 
Shipping Freight in the U.S. FedEx First Overnight® Freight. Delivery Time. ... 
Shipping Envelopes and Packages Internationally. FedEx® International Next Flight. Delivery Time. ... 
Shipping Freight Internationally. FedEx® International Next Flight.