An iteration is a timebox during which development takes place. The duration may vary from project to project and is usually fixed.| Agile Alliance |
A backlog is an ordered list of items representing everything that may be needed to deliver a specific outcome.| Agile Alliance |
A product roadmap is a living document designed to show what features will be released and when to expect them. Here’s why you need to use it.| www.easyagile.com
A user story helps agile software development teams capture a simple, high-level description of user requirements, written from the user perspective. For agile software development, writing good user stories is essential. Here's why.| Easy Agile
As a member of the Scrum Team, the Product Owner provides clarity to the team about a product’s vision and goal. All work is derived and prioritized based on the Product Goal in order to deliver value to all stakeholders including those within their organization and all users both inside and out.| Scrum.org