The Culture
A core principle of agile is working at a constant pace, which in turn enables you to deliver at a constant pace, as opposed to working sporadically and delivering nothing.
Development
Extreme Programming
Building working software at a consistent speed and quality in the face of changing requirements.
Design
User-Centered Design
Ensuring the software solve a real problem for real users in a desirable and usable product.
Product Management
Lean
Reducing the risk of building the wrong thing while comfortably changing direction
