Scrum is an Agile framework, for fast delivery, while reducing defects and errors. Lean is the foundation for Agile. Scrum is basically a set of rules and roles (and this is the reason why I consider that the beginners could easily creep into Waterfall world), Lean is a set of principles and concepts.
The major concepts in Lean are:
The principles in Lean are:
To make things work in Scrum, there are few tools and techniques, as Kanban, Kanban Board, so Scrum-Ban pops up.
If you want more details on these, please read here this useful article.
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