Understanding the Business Analysis Process: Writing High-Level System Use Cases

Introduction

High-level system use cases are essential in the business analysis process. They provide an overview of the system’s functionality from a user’s perspective. In this post, we will explore how to write high-level system use cases and how to utilize them for project cost estimation and timeline setting.

What are High-Level System Use Cases?

High-level system use cases are brief descriptions of the system’s functionality. They do not delve into the specific details of how the system achieves this functionality. Instead, they focus on what the system does from the user’s point of view.

How to Write High-Level System Use Cases?

When writing high-level system use cases, keep the following points in mind:

  1. User perspective: The use case should be written from the user’s perspective and not the system’s perspective.
  2. Functionality: Each use case should describe a specific functionality that the system provides to the user.
  3. Clarity: The use case should be clear and easy to understand.

Example of a High-Level System Use Case

Let’s consider a library management system. A high-level use case for such a system could be:

Use Case: Borrow a book

Actor: Library member

Description:

  • The library member browses the library catalogue,.
  • Selects a book.
  • Checks it out.

Using High-Level System Use Cases for Project Cost Estimation and Timeline Setting

High-level system use cases can provide a clear understanding of the system’s requirements, which is crucial for cost estimation and timeline setting. Here’s how:

  1. Identifying Tasks: Each use case corresponds to a set of tasks that need to be completed. By breaking down the use cases into tasks, you can get a better idea of the work involved.
  2. Estimating Costs: Once you have identified the tasks, you can estimate the time and resources required for each task, which will help in cost estimation.
  3. Setting Timelines: The tasks identified from the use cases can also be sequenced and scheduled, forming the basis of your project timeline.

In conclusion, high-level system use cases are a valuable tool in the business analysis process. They provide a clear and concise description of the system’s functionality, which can aid in project planning and management.

Do you need to know more about System use cases? Check this article.

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