Context Diagram Examples - Explanation of Templates and Types
The context diagram is referred to as the highest level in a data flow diagram. It is a technique used by business analysts to help grasp the details and boundaries of a project or a system to be designed. Moreover, this visual guide displays the flow of information between the external components and the system. Mainly, you will see a group of processes and activities of a project interconnected with a context bubble, representing the system.
The purpose is to create a context diagram that is simple and understandable. That is because not the technicians, developers, or engineers will review it but the project's stakeholders. That said, we prepared a list of context diagram examples that may serve as your guide and inspiration. Another thing, we reviewed the types of context diagrams for your additional knowledge. Check them out below.
- Part 1. List of Four Popular Context Diagram Examples
- Part 2. Three Levels of Data Flow Diagram with Context Diagram Templates
- Part 3. Context Diagram Creator Recommendation: MindOnMap
- Part 4. FAQs About a Context Diagram
Part 1. List of Four Popular Context Diagram Examples
If you are a project manager handling different projects here and there, context diagrams are an essential part of the process of a project. It will enable you to make a skeleton or backbone of your project to make straightforwardly and quickly. In specific, it assists you in determining the scope of the project. Yet, it can be challenging for others still to make. Here, we will show famous examples of context diagrams for your inspiration.
1. ATM System
The first example is an example of a business context diagram example. This example shows the external entities, including the accounts database, customer keypad, control system, card reader, customer display, printout dispenser, and cash dispenser. They interact with the context bubble named ATM system. By looking at this sample, you can determine the scope of the system you will create. You will find it a convenient reference, especially if you will set up an ATM business or you will recreate a system for a client.
2. E-Commerce Website
Another context diagram example is the E-Commerce website system. The example shows the relationship and how the system interacts with the data that flows through the diagram. You will see different inputs and outputs. You can easily explain how the system works, whether you are the developer or the project manager. It serves as a guide for making a website that caters to e-commerce.
3. Hotel Reservation Reservation System
A hotel reservation system is a popular system. Hence, creating an improved or innovative system will give you profit. Yet, to do that, you need to visualize the system you will be creating. That is why we have an example here. As a standard system for hotel reservations, you can take the example below as a reference and start from it.
4. Library Management System
The outline below may help you in creating a management system for the ins and outs of books in your library. That is right. Context diagrams can also be used for educational purposes, like this context diagram example. You can derive your new system and make an innovative one.
Part 2. Three Levels of Data Flow Diagram with Context Diagram Template
Now, let us dig into the different levels of a data flow diagram, including the basic one, which is the context diagram or level 0. You can decide which level you will be making as you learn about these levels.
Level 0 of DFD - Context Diagram
Level 0 DFD or context diagram is the primary data flow diagram that shows an overview of the system. By basic meaning, the reader can easily understand the diagram. In particular, the diagram is referred to as a single high-level process.
Level 1 of DFD - General Diagram Overview
You will also have a basic overview of the level 1 DFD. However, it shows more details compared to a context diagram. In the diagram, a process node from the context diagram will be broken down into pieces. Additional data flows and data stores are also added with Level 1 DFD.
Level 2 of DFD - With Subprocess
In Level 2 of DFD, all the processes in the system break down further. Therefore, all the processes must have their subprocesses specified. In other words, it shows everything from the context bubble, processes, and subprocesses.
Part 3. Context Diagram Creator Recommendation: MindOnMap
MindOnMap is designed to create professional-looking diagrams and flowcharts. This program works well on different browsers since it is a web-based context diagram creator. Furthermore, the tool integrates a straightforward interface for an easy process of making various diagrams. Additionally, it provides different customization options. Thus, making a personalized and innovative context diagram could be well reached.
Regarding the attachments you could add, it permits users to add icons and figures from its library. Moreover, you can insert links and pictures for additional information. Besides, the tool is 100 percent free, meaning you will not pay even a dime to generate a context diagram.
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Further Reading
Part 4. FAQs About a Context Diagram
Does Visio have context diagram examples?
Unfortunately, Microsoft Visio does not have context diagram examples. On the good side, it comes with dedicated shapes and stencils to help you create a basic context diagram template.
How do you create a context diagram template in PowerPoint?
With Microsoft PowerPoint, you can create a context diagram or any diagram you prefer. It provides a library of shapes that can be used for the elements of a content diagram. On the other hand, users may take advantage of the program’s SmartArt graphic feature. From here, you can choose from a selection of ready-made templates.
How can I create a context diagram template in Word?
The same goes for Word. It has a collection of shapes for creating different illustrations, including a context diagram. Likewise, the SmartArt graphic is an excellent feature user should not take for granted. With it, you can create various charts and diagrams in seconds.
Conclusion
Indeed, a context diagram example may assist you in creating your first and succeeding diagrams to understand the scope of a project or system. The examples above show that the context diagram is not limited to one purpose. It can be used in business and education fields. Now, if you are looking for a free context diagram creator, MindOnMap is an exceptional program you should pick.
