Usually a technical document or service document defines the scope of application/architecture – always a High level design document explains both in terms of Technical aspects, business use cases and alignment to IT operations.
Plan
Business Features/Multiple Integrations
Legacy Systems/Hybrid Cloud Platforms/Infrastructure Changes/Cloud Migrations
Automated (Newly Digitized) Workflows/Data Warehouses/Data Replications
System Configurations/Deployment Plan (VMs, Clusters, Containers)/
Platform Changes/Estimations, Time to Completion
Monolithic Systems to Microservices
Security, Resiliency (Access)/Cybersecurity
Business Documents/Business Use Cases/Testing Mechanisms
Technical Documents/Technical Designs/Database Design Changes/Technical Objectives
RACI Matrix (Organizational Roadmaps)/Operational & Analytical Reporting
Enterprise Ideas/New Business Domains/Future Enhancements
Existing System Changes/Design Flow Changes
Policy Standards or Changes/Vendor Support Changes
Solution Artifacts/Impact Analysis/Architectural Changes/Process Details
Changes in Testing Environments/Changes in Enterprise Ecosystem
Define the manual control, automated controls/Process/procedure/guideline reference
Adopt the security benchmark
Finally, alignment with your organisational strategy, certifications like ISO, SOC2 requirements, Cyber security/Information security like Business Goals, Stakeholders, Use cases, Value to Business, Governance Guidelines, Standards & Process, Technologies, Business Features.
Meet Phoenix's Tech Stuff's 