---
title: "Flowchart in Intro to Industrial Engineering"
description: "Flowchart is a step-by-step process diagram used in Intro to Industrial Engineering to map workflows, spot bottlenecks, and compare layout or process changes."
canonical: "https://fiveable.me/introduction-industrial-engineering/key-terms/flowchart"
type: "key-term"
subject: "Intro to Industrial Engineering"
unit: "Unit 6"
---

# Flowchart in Intro to Industrial Engineering

## Definition

A flowchart is a diagram that shows the steps in a process in order. In Intro to Industrial Engineering, you use it to map workflows, find delays, and improve how work moves through a system.

## What It Is

A flowchart is a visual map of a process in Intro to Industrial Engineering. It shows what happens first, what happens next, and where a process branches because of a decision or exception.

Instead of reading a workflow as a long paragraph, you can see it as connected shapes. A start or end point is usually shown with an oval, a process step with a rectangle, and a decision with a diamond. Arrows connect the shapes so you can follow the path of the work from beginning to finish.

That simple structure matters because industrial engineering is all about how work moves. A flowchart can show a manufacturing sequence, a service process like handling a customer order, or an office process like approving a purchase request. If the diagram gets messy, that often means the real process is messy too.

In this course, a flowchart is not just a picture. It is a tool for asking better questions: Where does the material wait? Which step repeats? Where does one decision create extra work? Once you can see those patterns, you can compare the current process to a better one, like a smoother line layout or a reduced handoff path.

A common mistake is treating every arrow as if it is automatically a real physical move. Sometimes an arrow only shows the next information step, not the movement of a part or person. In industrial engineering, that difference matters because you are often trying to cut travel time, simplify handoffs, or reduce confusion between departments.

## Why It Matters

Flowcharts matter in Intro to Industrial Engineering because they turn a process into something you can analyze and improve. If you are looking at a factory, a hospital intake desk, or a warehouse order system, the first step is often to make the work visible. A flowchart gives you that baseline.

It also connects directly to facility layout. When you map the steps in a process, you can see whether the physical arrangement of machines or workstations matches the order of tasks. If the chart shows repeated backtracking, too many approvals, or a lot of handoffs, that can point to a layout or process problem.

Flowcharts are also useful for comparing “current state” and “future state” workflows. The current state shows how work really happens now, and the future state shows how you want it to happen after a redesign. That makes it easier to explain why a change could reduce delay, movement, or confusion.

Because industrial engineering uses both people and systems, flowcharts help you think beyond one machine or one worker. They show the whole chain, which is exactly what you need when you are studying production planning, quality control, or supply chain flow.

## Connections

### Process Mapping

Process mapping is the broader skill of documenting how work moves from start to finish, and a flowchart is one common way to do it. If your process map includes more detail, such as handoffs, cycle time, or inputs and outputs, it may go beyond a basic flowchart. In industrial engineering, the two are often used together when you are trying to redesign a workflow.

### Swimlane Diagram

A swimlane diagram is a type of flowchart that separates steps by person, team, or department. That makes it easier to see who owns each step and where handoffs happen. In an Intro to Industrial Engineering class, swimlanes are handy when delays come from waiting on another group, not from the task itself.

### Decision Point

A decision point is one place in the flowchart where the process splits based on a condition, often shown with a diamond. In industrial engineering, decision points matter because they can create extra variation, rework, or delays. If a process has too many decision points, it may be harder to standardize or streamline.

## On the AP Exam

A quiz or problem-set question may give you a process and ask you to build or interpret a flowchart. You might need to identify the start and end points, place the decision diamonds correctly, or trace what happens when a condition is true versus false. You may also be asked to spot waste, like repeated steps, unnecessary handoffs, or looping back to earlier stages.

In layout questions, the flowchart helps you explain why a product layout or process layout makes sense for a certain workflow. If the steps are fixed and repeat in the same order, the chart usually supports a more linear arrangement. If the process branches a lot, the diagram may reveal why flexibility matters.

## Flowchart vs Process Mapping

Process mapping is the broader method for showing how work moves, often with more detail about inputs, outputs, owners, timing, or bottlenecks. A flowchart is one common format for a process map, but not every process map is a simple flowchart. If the question asks for the whole workflow analysis, think process mapping. If it asks for the step-by-step diagram with symbols, think flowchart.

## Key Takeaways

- A flowchart is a step-by-step diagram of a process, and in Intro to Industrial Engineering it is used to study how work moves through a system.
- The basic symbols matter: ovals usually mark start and end points, rectangles show tasks, and diamonds show decision points.
- Flowcharts help you spot delays, repeated steps, and unnecessary handoffs, which are all signs that a process could be improved.
- You can use a flowchart to compare the current state of a workflow with a redesigned future state.
- A good flowchart makes the process easier to explain, analyze, and adjust, especially when layout or workflow efficiency is the topic.

## FAQs

### What is a flowchart in Intro to Industrial Engineering?

A flowchart is a diagram that shows the steps in a process in order, using standard symbols and arrows. In Intro to Industrial Engineering, you use it to map work, find bottlenecks, and see whether the process flow matches the way a facility or system is set up.

### What symbols are used in a flowchart?

The most common symbols are ovals for start and end points, rectangles for process steps, and diamonds for decision points. Arrows connect the symbols so you can follow the order of the work. Some diagrams also use special symbols for documents, data, or connectors, depending on how detailed the process is.

### How is a flowchart different from process mapping?

Process mapping is the bigger idea of documenting a workflow, while a flowchart is one way to show it. A flowchart focuses on the sequence of steps and decision points. A process map may include more detail, such as who does each step, how long it takes, or where delays happen.

### How do you use a flowchart in facility layout problems?

You use the flowchart to see the order in which materials, information, or people move through a system. If the chart shows a lot of backtracking or crossing paths, that can suggest the current layout is causing waste. That makes it easier to argue for a product layout, process layout, or another arrangement.

## Related Study Guides

- [6.1 Types of Facility Layouts](/introduction-industrial-engineering/unit-6/types-facility-layouts/study-guide/usC5o5CboVjfWz0V)

## About This Document

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