Presentation layer
Application layer
Business logic layer
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Database layer
User interface components
Service components
API components
Integration components
Security components
Authentication components
Authorization components
Logging components
Monitoring components
Configuration components
Utility components
Communication components
Workflow components
Reporting components
Analytics components
Persistence components
Cache components
Middleware components
Front-end components
Back-end components
Shared components
Third-party components
Core components
Optional components
Static components
Dynamic components