Final answer:
The PMBOK® Guide - Sixth Edition does list tools and techniques based on their purpose, providing a systematic approach to help with project management tasks.
Step-by-step explanation:
The PMBOK® Guide - Sixth Edition indeed categorizes tools and techniques based on their intended use or purpose. It's structured in such a way to assist project managers and other professionals to easily find the best practices, principles, and terminologies relevant to project management. By listing tools and techniques by function, the guide provides a comprehensive and methodical approach to project management, facilitating the selection of appropriate methods for various project scenarios.