Final answer:
Application architecture is the organization and construction of software resources to implement an organization's information systems. It involves designing the architectural structure of subsystems within a software application and understanding the relationship between software applications and the areas of the organization they support.
Step-by-step explanation:
Application architecture refers to the organization and construction of software resources to implement an organization's information systems. It involves designing the architectural structure of the subsystems within a software application and understanding the relationship between software applications and the areas of the organization that they support. For example, when developing a mobile app, application architecture determines how different components of the app, such as the user interface, data storage, and networking, are organized and interact with each other.