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Physical Layer -- infrastructure: the way the organization's information systems (electronic and otherwise) support any given process or set of processes (most often created in pieces and reflective of yesterday's priorities)
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Prescribed (Process) Layer -- organization: the way an organization defines a process and assumes it should work, usually based on defini- tion from outdated sources or peripheral parties (such as managers and executives)
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Practical (Logical) Layer -- people: the way people naturally work together; often how they work around obstacles and impediments of the other two layers; usually spontaneous and rarely documented, due to fear of retribution and protection of job security
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