Current-State Conceptual Architecture diagram

**Description**

Analyze existing architecture, business, and system documentation to create a Current-State Conceptual Architecture Diagram that provides a high-level, business-oriented view of the current technology landscape.

The diagram will illustrate the major business capabilities, users, channels, core systems, data domains, and technology platforms, including mainframe, legacy, and modernized solutions. The purpose is to establish a shared understanding of the current environment and communicate how major business and technology components interact at a conceptual level.

**Target audience**

- Executives
- Leadership
- Business team
- POs
- Modernization teams

**Business Value**

A common understanding of the current-state architecture is essential for effective modernization planning. This diagram provides a simplified view of the technology landscape, enabling audience to understand the scope, complexity, and key components of the environment without requiring detailed technical knowledge. It serves as a foundation for future-state planning, investment discussions, and modernization decision-making.

**Scope**

Document and visualize:

- [ ] Business users and involved groups
- [ ] Service delivery channels
- [ ] Major business capabilities and domains
- [ ] Core business systems and applications
- [ ] Mainframe platforms
- [ ] Legacy applications
- [ ] High-level data domains and repositories
- [ ] External organizations and partner interactions
- [ ] Conceptual relationships between major components

Start by reviewing the existing architecture, business, and system documentation. Map the users, channels, capabilities, systems, platforms, data domains, repositories, external partners, and conceptual relationships listed in the scope; done means a high-level current-state diagram covers these components for the stated audiences.

Written by the indexing model from the issue text.