Software Requirements

-The software requirements are description of features and functionalities of the target system. Requirements convey the expectations of users from the software product. The requirements can be obvious or hidden, known or unknown, expected or unexpected from client’s point of view.

Stakeholders

-Stakeholder, any individual, social group, or actor who possesses an interest, a legal obligation, a moral right, or other concern in the decisions or outcomes of an organization, typically a business firm, corporation, or government. Stakeholders either affect or are affected by the achievement of an organization’s objectives.

   

Context Diagram

-The system context diagram (also known as a level 0 DFD) is the highest level in a data flow diagram and contains only one process, representing the entire system, which establishes the context and boundaries of the system to be modeled. It identifies the flows of information between the system and external entities (i.e. actors). A context diagram is typically included in a requirements document. It must be read by all project stakeholders and thus should be written in plain language, so the stakeholders can understand items

Use Case Model

-A Use Case Model describes the proposed functionality of a new system. A Use Case represents a discrete unit of interaction between a user (human or machine) and the system. This interaction is a single unit of meaningful work, such as Create Account or View Account Details.

Business Model Canvas

-The business model canvas is a tool designers use to map out a business or product’s key actors, activities and resources, the value proposition for target customers, customer relationships, channels involved and financial matters. It gives an overview to help identify requirements to deliver the service and more.