Developers are cross-functionally skilled people in the Scrum Team who contribute to develop a usable Increment each Sprint. The Developers are accountable for: Planning the Sprint work; Execution and adapting their plan each day toward the Sprint Goal; Creating a quality Increment that adhers to their Definition of Done; Holding each other accountable as professionals.

The Product Owner is accountable for maximizing the value of the product/service being built. The Product Owner owns the decisions related to funds, works with the stakeholders and steers the direction of the product to optimize the outcomes and impact for the customers.

Kanban is a lean method, a framework to visualize work and improve the flow of value. Initiated by Toyota as part of the Toyota Production System, Kanban (in Japanese) is a visual card used as a scheduling system, showcasing the essential information and progress of the work in a factory.

Agility is an ability to gracefully adapt to changing needs. In a dynamic and changing environment many variable such as: Customer's Needs, Technology, Market Conditions, Competition may change requiring a team / product / organization respond to these changes to stay relevant in the market.

Methodology is a body of methods, rules, procedures and processes to achieve a goal. Usually methodology tries to define steps and answers to various situations. Most methodologies are bulky and rigid due to being prescriptive.

Coaching is a form of development intervention in which a coach, supports a learner or a coachee in achieving a specific personal or professional goal. The coach provides a structure, accountability and space within which the coachee's wisdom emerges and capability grows to: clarify a problem they like to solve/address, identify possible solutions to try, and take action to address the matter. Providing answers, opinions, and telling others what to do is NOT coaching. Unlike a mentor, a coach doesn't need to be an expert in the field in which a coachee aims to excel. See also: The Scrum Master as a Coach

Developers

Product Owner

Kanban

Agile Software Development

Agility

Cross-Functional Team

Methodology

Coaching