Activity Diagram for Online Food Ordering System

Online Food Ordering System Activity Diagram – is a designed blueprint that provides a big help in system development. It shows the online food ordering system’s behavior in terms of responding to its users or clients.

The Online Food Ordering System Activity Diagram also gives the programmers bright ideas and guides them throughout the system’s making.

The users that are essential in creating an activity diagram for an online food ordering system would be the restaurant owner and the customers.

By determining the users of the system, it would be much easier for you to build the interactions and activities in the system.

Then you will be able to predict the behavior of the system towards its users. So you should be aware that your system must be user-friendly and effective for its users.

What is a Food Ordering System Activity Diagram?

The Online Food Ordering System must have an activity diagram so that the programmers have a basis on how the software should approach its users.

It is because the activity diagram guides the programmer in creating the software and its must-have behaviors. So, if you want friendly, effective, or easy-to-use software, you must also complete the activity diagram.

Through the activity diagram, you’ll be able to illustrate the flow of activities and know what should be the interactions between the Online Food Ordering System and its users.

The activity diagram will also help your readers and users understand how to use the system. So, it is best for you to explain your thoughts on how the online food ordering system would behave through a UML activity diagram.

Activity Diagram Symbols

Before we create the activity diagram of the Online Food Ordering System, you must first know the symbols used to make it. And here are the symbols used in the activity diagram.

Activity Diagram Symbols
Activity Diagram Symbols

You must be familiar with these symbols in order to distinguish what should go in the illustration and avoid misunderstandings. This is also to educate you about the activity diagram symbols so that you and the users will understand the system’s behavior.

In addition to that, being familiar with these activity diagram symbols will help you show the detailed parts and interactions that should happen when you develop the system. Then, this thought enables you to have the right ideas on how to develop the system that you want.

Activity Diagram of Online Food Ordering System

The given Activity Diagram for the Online Food Ordering System is here. It shows how the system would interact with the customer and the food stand or restaurant crew.

The interactions given here are based on the activities that usually happen in a food order. Aside from that, this activity diagram must be created to show you its core function and how the exchange of actions or activities happens.

Activity Diagram for Online Food Ordering System

It is designed for the client side and the owner or crew side of the online food ordering system. It shows more detailed information on the interactions between the system and its users.

This design is to explain and inform readers or users that the system provides security for the important transaction records and can only be accessed by authorized personnel.

You should be informed that the diagram can be modified to achieve your desired system behavior. You can also create your own unique system function to suit all of your clients’ needs. And if you want, you can copy all the ideas presented here, so you won’t need to create a new one.

You may also merge with other diagrams if you want to make your activity diagram general. But you just have to make sure that the specificity is still there so your readers and system users understand the blueprint for online food ordering system development.

Additional Knowledge

The activity diagram works perfectly with the other UML diagrams that were available on our site. They are the Online Food Ordering System Use Case Diagram, Data Flow Diagram, Entity Relationship Diagram, and many more.

These diagrams served as the blueprint designs to foresee the needed functions of a working online food ordering system.


It is essential for you to know the diagrams used to design and develop the online food ordering system. This is due to the fact that without it, it is impossible to create a fully functional system.

But if you create this activity diagram, you will know the possible inputs and scenarios that the system should process and perform.

Not only that, but you will identify the processes that are required and connect them to the other UML Diagrams. By completing the Activity Diagrams per module or per process, you will easily achieve your desired system.

Thank you so much and have a good day! Check out our related and recommended articles for more learning and information.

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