Three dimensions for Team and Technical Agility :
- Agile Teams
- Built-in Quality
- Teams of Agile Teams
Agile Release Train :
Agile Release Train (ART) include all the Teams needed to deliver the Solution.
All the Teams are Agile Teams.
Agile Release Train (ARTs) is like a Team of Teams.
The Agile Release Train (ART) is a long-lived team of Agile teams, which, along with other stakeholders, incrementally develops, delivers, and where applicable operates, one or more solutions in a value stream. © Scaled Agile, Inc. See here