PROCESS MAPPING

IDEF0 template.

This IDEF0 template models a customer returns process using the ICOM structure: inputs, controls, outputs, and mechanisms. The four functions move from receiving a request through inspection, approval, and final inventory disposition. It is a practical starting point for documenting a process without losing the policies, people, and systems that shape it.

UPDATED 2026-09-23
TYPEIdef0
EXAMPLEIDEF0 template.
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CASE ANALYSIS

Scenario

An operations analyst uses this template to document how a customer return moves from request to inventory disposition. Teams can replace the sample ICOM labels with their own policies, resources, and records.

Key decisions

  • Four function boxes keep the A0 decomposition at a readable level.
  • Inputs enter from the left while policies and standards enter from the top as controls.
  • People and systems are shown as mechanisms below the functions.
  • Customer and inventory results leave on the right as distinct outputs.

When to reuse this

Use it when you need to distinguish what a function receives, what governs it, what performs it, and what it produces. Use a flowchart when decision paths and sequence are the main concern.

FAQ

Frequently asked questions

What is an IDEF0 diagram?01
IDEF0 is a functional modeling method that shows what a function does through inputs, controls, outputs, and mechanisms.
How do I make an IDEF0 diagram?02
Define the process functions, then attach inputs on the left, controls above, outputs on the right, and mechanisms below.
How do I read IDEF0 arrows?03
Use ICOM: input, control, output, and mechanism. Their position on a function box identifies their role.
Is an IDEF0 template different from an example?04
A template offers a reusable ICOM structure. An example is a completed model for one specific process.
Do I need an account?05
Yes, a free one. No card is asked for.
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