- Click-wrap agreement
- A license or contract formed when a user clicks 'I Agree' or equivalent, indicating acceptance of the displayed terms without a handwritten signature.
- EULA (End User License Agreement)
- A contract between a software licensor and the end user defining the permitted scope of use, restrictions, and the licensor's liability limits.
- Licensor
- The entity that owns the software and grants permission to use it under defined conditions β typically the developer or publisher.
- Licensee
- The individual or organization that receives the right to use the software under the terms of the license.
- Acceptance event
- The specific user action β clicking a button, checking a box, or typing a confirmation β that legally constitutes agreement to the license terms.
- Shrink-wrap license
- A license whose terms are enclosed inside packaged software; opening the packaging is treated as acceptance, though click-wrap has largely replaced this format.
- Browse-wrap agreement
- Terms posted on a website where continued use of the site is treated as acceptance, without any affirmative click β generally considered less enforceable than click-wrap.
- Scope of use
- The specific permitted uses defined in a license β such as single-user, multi-device, non-commercial, or enterprise-wide β that the licensee may not exceed.
- Reverse engineering restriction
- A common license clause prohibiting the licensee from decompiling, disassembling, or otherwise attempting to derive the software's source code.
- License key
- An alphanumeric code that activates software and ties a specific installation to a valid license record.