What is project RACI and how to create it?

What is Project RACI? How to create Project RACI? Project Management RACI Matrix. Accountability, Role Definition. Stakeholder Analysis, Planning. Team Collaboration. Task Allocation, Success. Leadership, Workflow Optimization. Execution, Resource Effective Communication. Decision Making, Organizational Skills. Time, Problem Solving, Risk Agile Methodology, Continuous Improvement, Performance Metrics. Empowerment, Change, Goal Setting, Lifecycle Delivery. Cross-Functional Teams, Professional Development.