For example, a common requirement is to display cost relationships in supplier-consumer relationships. In electronic commerce applications, diagrams help manage web-based procurement and order processing. Information flow representation is also widely used to show workflow and processes. These diagrams make use of customized directed and undirected graph layout. Edge direction enables well defined display of information flow.
Many activities are time-critical.
Large logistics application vendors build applications with powerful resource planning and scheduling functions. Diagrams produced with scalable layout are necessary component technologies for use within nearly all applications for project management, resource allocation, cost accounting, and industrial scheduling.