The standard for project management

Specification by Example (SBE).

 A collaborative approach to defining requirements and business-oriented functional 

tests for software products based on capturing and illustrating requirements using realistic examples instead of 

abstract statements.

Spike.

 A short time interval within a project, usually of fixed length, during which a team conducts research or prototypes 

an aspect of a solution to prove its viability.

Sprint.

 Describes a timeboxed iteration in Scrum.

Sprint Backlog.

 A list of work items identified by the Scrum team to be completed during the Scrum sprint.