Once people had an Agile experience and began to adopt an Agile Mindset, they began developing practices to support them. These practices have been bundled into different sets of "frameworks".
There are scores of different frameworks. One of the most common Agile frameworks is called Scrum 
. In this framework, Learning Cycles are called sprints, the team solving the problem is called a scrum, and the team leader is called a scrum master. Sprints are generally 1-2 weeks long and they iterate toward a solution called an epic.
But note that, in Agile, there is no single framework or set of practices that are universal - they often are adjusted by the nature of the team, its challenge, and the organization.
As a result, Agile can feel a bit messy and difficult to explain. For this reason, it is critical to first first understand the experience and the mindset.
For Agile to be effective, four critical ingredients must be present: - **Purpose** that is clear and meaningful - **Trust** that creates the safety for team members to risk failure - **Experimentation** is encouraged - **Commitment** to deliver new value quickly
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