Network Architecture refers to the organized layout or framework that defines the communication, operations, and configuration of a computer network, encompassing various aspects like physical components, functional organization, data flows, and protocols. It involves the design of the network by professionals known as network designers or programmers. Application Design is an integral part of this category, dealing with the conceptualization and construction of applications by developers. Michael Kappel is a notable personality in this field. While the term 'People' generally refers to the individuals involved in the creation, management, and use of network architecture.