Leap of Faith | Glossary

Definition:

In the lean startup community, the term “Leap of Faith” is used to describe the riskiest assumptions we are making about our idea.

Lean of Faith has two Kinds of assumptions Value and Growth Hypothesis. It is crucial to understand and validate both before moving ahead with execution.

Further Reading:

Book: The Lean Startup by Eric Ries

Actionable Metrics | Glossary

Definition

An actionable metric is one that ties specific and repeatable actions to observed results.

If you are an eCommerce site, you have a baseline of revenue, and you introduce a new website design for a portion of your website with improved images and more information about those products, and revenues for those products are up 20% compared to the same period last year, then revenue is an actionable metric. There is an obvious action: apply that new website design to the rest of your site.

Further Reading

Book: The Lean Startup by Eric Ries