The Technical Architect transforms business requirements into a Conceptual Design that designers and developers will consume.
The Conceptual Design is approved by the business requestor that enables the creation of the Technical Design. The Technical Architect reviews the completed technical design with the project designer.
The project designer creates the Development Design. The Technical Architect reviews the Development Design, makes suggestions when needed, and approves the design.
The designer reviews the Development Design with project developers. The developers refer to conceptual, architectural and design documents during development.