Explanation/Reference:
Explanation:
4.1.2.1 Expert Judgment
Expert judgment is often used to assess the inputs used to develop the project charter. Expert judgment is applied to all technical and management details during this process. Such expertise is provided by any group or individual with specialized knowledge or training and is available from many sources, including:
Other units within the organization,

Consultants,

Stakeholders, including customers or sponsors,

Professional and technical associations,

Industry groups,

Subject matter experts (SME), and

Project management office (PMO).

Section: Volume C
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.
Process: 6.4 Estimate Activity Resources
Definition: Activity Resources is the process of estimating the type and quantities of material, human resources, equipment, or supplies required to perform each activity.
Key Benefit: The key benefit of this process is that it identifies the type, quantity, and characteristics of resources required to complete the activity which allows more accurate cost and duration estimates.
Inputs
1. Schedule management plan
2. Activity list
3. Activity attributes
4. Resource calendars
5. Risk register
6. Activity cost estimates
7. Enterprise environmental factors
8. Organizational process assets
Tools & Techniques
1. Expert judgment
2. Alternative analysis
3. Published estimating data
4. Bottom-up estimating
5. Project management software
Outputs
1. Activity resource requirements
2. Resource breakdown structure
3. Project documents updates

Section: Volume B
Explanation:
Process: 13.1 Identify Stakeholders
Definition: The process of identifying the people, groups, or organizations that could impact or be impacted by a decision, activity, or outcome of the project; and analyzing and documenting relevant information regarding their interests, involvement, interdependencies, influence, and potential impact on project success.
Key Benefit: The key benefit of this process is that it allows the project manager to identify the appropriate focus for each stakeholder or group of stakeholders.
Inputs
1. Project charter
2. Procurement documents
3. Enterprise environmental factors
4. Organizational process assets
Tools & Techniques
1. Stakeholder analysis
2. Expert judgment
3. Meetings
Outputs
1. Stakeholder register

Section: Volume D