Unit testing is at the base of the testing pyramid and bulk of the testing should be carried out at this level.

https://www.pmi.org/disciplined-agile/agile/testautomationpyramid

The primary goals of the Inception phase are to achieve stakeholder consensus regarding the objectives for the project and to obtain funding. The major activities of the phase include: Define project scope. This includes defining, at a high level, what is in the project.

Develop test strategy is part of the inception stage.

The Inception process goals are:

• Form Team
• Align with Enterprise Direction
• Explore Scope
• Identify Architecture Strategy
• Plan the Release
• Develop Test Strategy
• Develop Common Vision
• Secure Funding
• 
  

The Construction process goals are:

• Prove Architecture Early
• Address Changing Stakeholder Needs
• Produce a Potentially Consumable Solution
• Improve Quality
• Accelerate Value Delivery

https://www.pmi.org/disciplined-agile/inception-goals

https://www.pmi.org/disciplined-agile/construction-goals

A leader motivates as compared to expecting control or compliance.

The main difference between leaders and managers is that leaders have people follow them while managers have people who work for them. A successful business owner needs to be both a strong leader and manager to get their team on board to follow them towards their vision of success.

The arrow next to an option list indicates that the options are ordered in terms of preference - with the options at the top being more preferred over others.

https://www.pmi.org/disciplined-agile/ip-architecture/how-to-read-process-goal-diagrams

Date driven planning may require inclusion of feature buffers

Failing fast is good, but failing less is even better. With guided improvements, we can reduce the probability of failures.

https://www.pmi.org/disciplined-agile/gci/guided-continuous-improvement

As part of "address changing stakeholder needs" process goal, DA doesn’t discourage making changes in the iteration if it lets the team respond to immediate needs

By limiting the work-in-progress, you can reduce the distractions, thereby improving predictability.

Improve predictability. DA teams strive to improve their predictability to enable them to collaborate and self-organize more effectively, and thereby to increase the chance that they will fulfill any commitments that they make to their stakeholders. Many of the earlier promises we have made work toward improving predictability.

https://www.pmi.org/disciplined-agile/mindset/promises/predictability

Transparency is one of the important promises in Disciplined Agile. Radical transparency is critical to enable effective governance and building trust over time