The word "agile" is difficult to understand without the experience.
>ag·ile /ˈajəl/ > *adjective* able to move quickly and easily.
At its core, Agile is an experience of fast, iterative learning with a Higher Purpose that unleashes new creative potential.
By breaking complex problems into small pieces and then, working with others, passionately focusing on each piece, solutions can be created much faster than traditional process models that utilize Structured Planning.
When a group of software developers came together in 2001 to find a common ground and shared language that embraced their new methods of software development, they published a manifesto, calling it the Manifesto for Agile Software Development 
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With that manifesto, agile now had a new meaning - one that was intended to capture not just the _form_ but, far more importantly, the process, practices and, ultimately, the _experience_ of creating in a radical new way.
An experience of self-managing teams working together to create with clear and meaningful purpose. Co-creating with end users in a way that utilized iterative Learning Cycles.
It is very hard, if not impossible, to understand this agile experience without personally experiencing it. But once you have had this experience that dramatically accelerates the learning process, you are never the same.
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