A user story is well-written when all of the following are true: the story meets the INVEST criteria

At the Delivery Horizon, feedback is rapid and ideally in small chunks. Each story delivers a small and rapidly delivered increment of value. Typically, it is not until a collection of stories,

Analyzing data involves deciding how data analysis will be performed, including which models and mathematical or statistical techniques will be used.

The Interpret and Report Results domain uses the results obtained from data analysis to gain business insights from the data collected and determine how to best communicate and report the outcome

Backlog Refinement is used to ensure there is enough detail and clarity for items in the backlog so that the delivery team can complete an iteration.

Product Roadmap is used to communicate direction and progress towards the vision for a solution or initiative, and it measures progress against that vision through achieving the stakeholders'

Reviews are used to demonstrate and inspect an increment of the solution with stakeholders in order to elicit feedback to determine if the solution being developed aligns with the need.

Spikes are used to time-box research, design, exploration, investigation, or prototyping activities in order to understand the effort required to deliver a backlog item or an initiative.

Storyboarding is used to describe a task, scenario, or story in terms of how stakeholders interact with the solution.

Value Stream Mapping is used to provide a complete, fact-based, time-series representation of the stream of activities required to deliver a product or service to the internal or external