The requirements that define how a product responds to the user’s requests are called functional. On the other hand, the requirements not related to the functional aspect of the software are called non-functional and determine the attributes expected from the system. Please read the article Not Only “What” but also “How” Matters. Functional and Non-Functional Requirements in Software Development for more information.

Web application architecture can be described as a blueprint showing how the application components interact. There exist different types of web app architectures: 

• Single Page Applications

• Microservices architecture

• Serverless architecture

• Progressive Web Apps

Tech stack can be described as an array of technologies, programming languages, libraries, UI/UX solutions used by the team involved in web app development. Please read the article What is a Tech Stack and How to Choose the Right One for Web Application Development to gain some insights.

An on-demand app is a mobile and/or web app that allows customers to reach your services the shortest possible way. The app should satisfy a specific need, such as delivering fresh food at home or driving from point A to point B. As an example of services that a business can provide via on-demand applications, you can think of any daily routine task that a business can take care of.

Progressive web app is a browser-based application, which looks and works like a native app. In a browser PWA looks like a website, but interacts with a user like a traditional application. It is useful for business due to the following reasons: 

• User Retention Rate

• Audience Reach

• Conversion Rate Increase

• Development and Maintenance Cost

• SEO-friendliness

Business process management is an approach allowing a business to see the whole picture of activities involved in creating its products and services. Such an approach enables a better understanding of how the business operates in total and at the level of individual processes. In addition, business process management allows identifying which areas require special attention and how their improvement will increase the company’s overall efficiency.