Quality Management Plan: This document outlines quality objectives, measures, and control for the project. It contains information about quality policies, standards, and procedures, as well as the responsibilities for quality management during different project phases.

Quality Metrics: These are numerical measures used to assess the quality of project deliverables. Examples include defect rates, customer satisfaction, and efficiency measures. Quality metrics help evaluate the project's performance and inform optimization strategies.

Quality Checklists: Quality checklists are lists of activities that must be performed to ensure deliverables meet the required quality standards. They ensure that all aspects of the project are considered and addressed. Examples of quality checklist items include functional specifications, user interface, and performance benchmarks.

Quality Control Tools: Quality control tools are used for tracking and regulating project activities. Examples include statistical process control, cause and effect diagrams, and control charts. These tools enable early detection and correction of defects, preventing their recurrence in the project process. explin more every ponys plz$?$