source: Supplier gives Buyer the perpetual, irrevocable, royalty free and non transferable right to use or modify such Reusable Developed Works solely in connection with Buyer's use of the Services.
target: The Supplier gives the Buyer the ongoing and irreversible right to use or change such Reusable Developed Works in connection with the Buyer's use of the Services. This right is royalty-free and non-transferable as well.
references: The Supplier gives the Buyer the ongoing and irreversible right to use or change such Reusable Developed Works in connection with the Buyer's use of the Services. This right is royalty-free and non-transferable as well.