A communications management plan is a document that describes how the business analyst will communicate with the stakeholders throughout the project. It includes information such as the timing and frequency of communication, the location and mode of communication, the tools and techniques to be used, the delivery methods and formats, and the stakeholders’ preferences and needs. A communications management plan helps to ensure that the stakeholders are informed, engaged, and satisfied with the project progress and outcomes. A stakeholder collaboration plan is a document that describes how the business analyst will collaborate with the stakeholders to elicit, analyze, validate, and manage the requirements. A business analysis plan is a document that describes how the business analyst will conduct the business analysis activities, such as the scope, approach, deliverables, tasks, resources, and schedule. A stakeholder analysis plan is a document that describes how the business analyst will identify, analyze, and prioritize the stakeholders and their needs, expectations, and influence. References: BABOK Guide v3, Chapter 2: Business Analysis Planning and Monitoring, Section 2.5: Plan Business Analysis Communication, p. 38-40; Chapter 3: Business Analysis Governance and Information Management, Section 3.1: Plan Business Analysis Governance, p. 50-51.