A software product can be judged by what it offers and how well it can be used. This software must satisfy on the following grounds:

●      Operational

●      Transitional

●      Maintenance

Well-engineered and crafted software is expected to have the following characteristics:

Operational

This tells us how well software works in operations. It can be measured on:

●      Budget

●      Usability

●      Efficiency

●      Correctness

●      Functionality

●      Dependability

●      Security

●      Safety

Transitional

This aspect is important when the software is moved from one platform to another:

●      Portability

●      Interoperability

●      Reusability

●      Adaptability

Maintenance

This aspect briefs about how well a software has the capabilities to maintain itself in the ever-changing environment:

●      Modularity

●      Maintainability

●      Flexibility

●      Scalability

In short, Software engineering is a branch of computer science, which uses well-defined engineering concepts required to produce efficient, durable, scalable, in-budget and on-time software products.