Section: Volume A

Section: Volume A
Explanation:
On most projects, communication planning is performed very early, such as during project management plan development. This allows appropriate resources, such as time and budget, to be allocated to communication activities.
Effective communication means that the information is provided in the right format, at the right time, to the right audience, and with the right impact. Efficient communication means providing only the information that is needed.

Section: Volume D
Explanation:
6.4.3.2 Resource Breakdown Structure
The resource breakdown structure is a hierarchical representation of resources by category and type.
Examples of resource categories include labor, material, equipment, and supplies. Resource types may include the skill level, grade level, or other information as appropriate to the project. The resource breakdown structure is useful for organizing and reporting project schedule data with resource utilization information.

Section: Volume E
Explanation/Reference: https://www.pmi.org/certifications/maintain/earn-pdus/plan-development-talent-triangle