Application Reference Model

Definition
The Application Reference Model (ARM) version 1.0 is

"one of six reference models of the Federal Enterprise Architecture (FEA) version 2.0. It is a classification taxonomy used to describe the type of software applications in a particular architecture at the system, segment, agency, sector, federal, national, or international level. The ARM can help to identify opportunities for collaboration, shared services, and solution reuse in agency IT portfolios and inter-agency Lines of Business."