Houston Application Architecture 

Software or application Architecture is nothing but abstract representation of that system.

Specifications are most important for external interfaces. So Application specification must be very consistent and stable. DESSS Analyst making sure that the requirements is logically sound.

The application architecture is state clearly on the basis of requirements. Application architecture involves defining the interaction between databases, application packages, and middle ware systems in terms of real functionality.

Application architecture helps identify any integration problems or holes in functionality.

Application Architecture is nothing but managing how multiple applications is balanced to work together.

Application Architecture is not same as Software Architecture, which deals with design concerns of one application.