Crystal Methodology is based on three concepts,

• Chartering: Various activities involved in this phase are creating a development team, performing a preliminary feasibility analysis, developing an initial plan and fine-tuning the development methodology

• Cyclic delivery: The main development phase consists of two or more delivery cycles, during which the

i. Team updates and refines the release plan

ii. Implements a subset of the requirements through one or more program test integrate iterations

iii. Integrated product is delivered to real users

iv. Review of the project plan and adopted development methodology

• Wrap Up: The activities performed in this phase are deployment into the user environment, post- deployment reviews and reflections are performed.