SAFE (Scaled Agile Framework ) is an Agile software development framework designed by Scaled Agile, Inc. It consists of a knowledge base of integrated patterns intended for enterprise-scale Lean-Agile development. SAFe synchronizes alignment, collaboration, and delivery for large numbers of agile teams. But first let's remember some basic Agile concepts.. . http://agilemanifesto.org/ and... THE AGILE PRINCIPLES These values are important because in the Agile culture, our main focus is on value creation instead of on single process compliance. For this reason, in the Agile Methods, we have a lightweight approach in terms of the software requirements discipline. SAFe is organised into three levels: Team, Program and Portfolio. Each level has a set of roles, events and rules. We can use this structure to help the way to scale the content into big companies or into big products/projects In a large structure we have: T