Quality assurance is a process designed to give management and the customer confidence that an organisation will deliver quality information technology products and services.

The practice of enabling change in an organizational context, by defining needs and recommending solutions that deliver
value to stakeholders.

The key responsibility of the product owner’s is to have a vision of what he or she wishes to build,and to convey that vision to
the scrum team

The process of creating products that provide meaningful and relevant
experience to users.