Use Case Diagram for E-Commerce Website | UML

Use Case Diagram for E-Commerce Website

Use Case Diagram for E-Commerce Website in UML uses ellipses that represent the processes and are arranged orderly. The processes in E-Commerce Website are Customer information Management, Sales and Stocks Monitoring, Product Information Management, and Payment and Delivery Management.

The E-Commerce Website Use Case Diagram is composed of processes and the users (actors). The processes are figured in general and are completed by including the specific sub-processes included. Then the actors are connected to the processes to which they can have access.

Use Case Diagram for E-Commerce Website: Project Name and Details

The table shows the details of the use case diagram of e-commerce website. It has the complete details of the project.

Name:E-Commerce Website Use Case Diagram
Abstract:The E-Commerce Website Use Case Diagram represents the behavior of the project in terms of its processes. It contains the important details on the processes done in the project.
UML Diagram:Use Case Diagram
Processes:Customer information Management, Sales and Stocks Monitoring, Product Information Management, and Payment and Delivery Management
Tools Used:You may use any Diagram tools that provide use case diagram symbols.
E-Commerce Website Use Case Diagram – Details

What is E-commerce Website?

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An e-commerce website is a website that allows individuals to buy and sell physical items, services, and digital products over the internet instead of at a real store. There are many benefits to having an e-commerce website for your business.

This e-commerce website makes use of the process of clients buying and paying for their purchases online. It allows visitors to find the product(s) they want, add them to their “cart,” and complete their transaction by securely entering their payment information.

An e-commerce website allows a company to operate virtually fully online, eliminating the need for a home office with sales and management personnel. The procedure is fully automated, which sets it apart from other websites that still prioritize company development.

Importance of E-Commerce Website UML Use Case Diagram

The importance of the e-commerce website UML use case diagram is to show the interactions of numerous items called actors. This use case diagram is used to capture the fundamental functionalities of the website.

The use cases of e-commerce websites involve primary processes to define the core functions of the project. These processes were expected by the users to be connected to produce a certain output. Being a programmer is an important role that the E-Commerce Website should have.

Use Case Diagram for E-commerce Website

The Use Case Diagram for E-Commerce Website is a design used as one of the methods for project development. It represents the main functions or processes of the system as well as the specific processes included. They were labeled properly to guide programmers and users about the behavior of E-Commerce Websites.

E-Commerce Website Use Case Diagram: Project Features

  • User Login
  • Account Validation
  • Manage Customers’ Information
  • Monitor Sales and Stocks
  • Manage Products’ Information
  • Manage Payments and Deliveries

E-Commerce Website UML Use Case Diagram Example

The E-Commerce Website Use Case Diagram Example is given with an explanation. This example uses case diagram shown in general and specific use cases.

E-Commerce Website General Use Case – This shows the general processes or functions that the system could do. These processes are based on the activities done on the website.

General Use Case Diagram Diagrams for E-Commerce Website
E-Commerce Website General Use Case Diagram

Seeing the illustration, you will know the basic functions that are included in E-Commerce Website. Each of them was based on the basic concept of the said project and is expected to be present in it once it was developed. All you have to do is to innovate the main idea or add more features to make your project more updated.

E-Commerce Website Use Case Diagram – This diagram shows the specified sub-processes which were based on the main process. These sub-processes describe the main process and show you the series of events while doing online buying. E-Commerce Websites were all about online buying and selling and that’s what is shown in this figure.

Use Case Diagram Diagrams for E-Commerce Website
E-Commerce Website Use Case Diagram

You can see through it that the whole E-Commerce Website process was completed. It uses the label <<include>> and <<extend>> to specify the flow of processes. The label <<include>> indicates that the proceeding process is needed. Label <<extend>> on the other hand is an indication that the next process is optional.

UML Use Case Diagram for E-commerce Website Pdf

You may download the Use Case Diagram for E-commerce Website Pdf by clicking the button below. It has the full details and discussion on the website’s Use Case Diagram. You can also modify its content to complete your project requirements and needs.

Steps in Developing Use Case Diagram for E-Commerce Website

Time needed: 5 minutes.

Here are the steps in creating a Use Case Diagram for E-Commerce Website:

  1. Step 1: Familiarize Activity Diagram Symbols

    Use Case Diagram Diagram Symbols – are used to create a use case diagram for an e-commerce project. Their symbols and applications must be familiarized before you build the Use Case Diagram.

    Use cases: are ovals with a horizontal shape that symbolize the various uses that a user might have.
    Actors: are people who are using the use cases and are represented by stick figures.
    Associations: Actors and use cases are connected by a line. It’s crucial to know which actors are linked to which use cases in complex graphs.
    Container: A checkbox that limits the scope of a system to use cases. Outside-of-the-box use scenarios would be regarded outside the scope of the system. In the chainsaw example below, Psycho Killer, for example, is outside the purview of vocations.

    Each of these use case diagram symbols shows the overall system behavior. Emphasizing the System’s behavior would be much easier by using these use case diagram symbols.

  2. Step 2: Determine the targeted users

    After the symbol familiarization, you’ll need to determine your targeted users. Your targeted users will be the ones to use your project.

    Your project is E-Commerce Website, then your users would be the Seller, Buyer, and the students. You may ask them about the common activities that they do when doing tasks for the website. This information will help you in proceeding with the next step.

  3. Step 3: Analyze the activities included

    Analyzation is very important in creating a use case diagram. It will help you understand the work of the diagram and avoid unwanted errors.

    The gathered information from the targeted users is very useful in creating an activity diagram. You just need to evaluate these data and pick the general activities.

    From the general processes, you will see the specific sub-process that is included in it. But only include the useful processes and decisions (circumstances) related to website management. Then you’re ready for the next step.

  4. Step 4: Plot the Use Case Diagram

    To plot the use case diagram you will need the users, processes, and their flows. You will base the flow of processes on the evaluated information to have the exact Use Case Diagram for E-Commerce Website.


Use-case diagrams depict a system’s high-level functions and scope. The interactions between the system and its actors are also depicted in these diagrams. Use-case diagrams display and define the environment and constraints of a complete system or specific system components.

A use case is a system analysis methodology for identifying, clarifying, and organizing system needs. It is a means to explain details of a system and the users within that system. It is typically depicted as a graphic representation of interactions between various parts of a system.

So that completes our discussion fellas! And I hope that this article will help you a lot. Now let me ask you something. What have you learned through the discussion? May this article help you with your projects in the future!


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