SAP Signavio Process Manager is a core component of the SAP Signavio Business Process Transformation Suite. It is a professional, cloud-based, and collaborative business process management (BPM) solution. Its primary function is to enable organizations to model, document, analyze, and optimize their business processes using standardized notations like Business Process Model and Notation (BPMN 2.0). This tool serves as a central repository for process knowledge, facilitating communication and alignment between business and IT stakeholders to drive process improvement initiatives.

B. This describes SAP Signavio Process Intelligence, a separate but integrated solution within the suite focused on process mining and analysis of as-is processes based on system data.

C. This describes a function typically handled by Robotic Process Automation (RPA) tools or specific modules within an ERP system like SAP S/4HANA, not a process modeling tool.

D. This is the definition of a Customer Relationship Management (CRM) system, such as SAP Sales Cloud, which focuses on managing interactions with current and potential customers.

1. SAP Help Portal, SAP Signavio Process Manager: "SAP Signavio Process Manager is a professional and intuitive business process management solution for business and IT. It enables you to model, analyze, optimize, and execute business processes." (Refer to the "What Is SAP Signavio Process Manager?" section).

2. SAP Official Product Information: "Collaboratively design, document, and simulate processes... Create a single source of truth for your process landscape with our intuitive, cloud-based process modeling software." (Refer to the overview section for SAP Signavio Process Manager on sap.com).