How to read UPS shipping label?

What do those abbreviations stand for on the UPS shipping labels? Here are the descriptions of those indicators you may see on the UPS shipping labels:

• EDI: Paperless shipment where no paper invoice is required
• EDI-CC: Paperless International (World Ease) Global Consolidated Clearance
• EDI-DOC: Document shipment, Paperless or Non-Paperless
• EDI-IDIS: Paperless or Non-Paperless customer uploaded invoice and/or additional documents for shipment
• EDI-PULL: Paperless shipment where no paper invoice is required and the shipper intends UPS to pull other clearance related documents from the pouch and process at the origin
• INV: Non-document shipment where paper invoice is required and all information, including invoice line detail, is keyed. Pull the customs copy of the Commercial Invoice.
• INV-CC: Non-document GCC (WorldEase) shipment that contains invoice line detail from the shipping system
• KEY: Non-document shipment where paper invoice is required and shipper did not data capture invoice line detail or critical information is missing