License
Permission to use specified material under agreed conditions. It does not necessarily transfer ownership.
Assignment
A transfer of rights or assets, distinct from merely permitting a use.
Exclusivity
A restriction on granting overlapping rights to others, which should have a defined scope and duration.
Acceptance
The contractual milestone at which a delivered package satisfies agreed criteria. It may trigger payment.
Sublicensing
Permission for a licensee to grant use rights to another party; the agreement should state the limits.
Revenue share
A share of defined receipts. The base, deductions, reporting and payment schedule matter as much as the percentage.