This document discusses web engineering and provides examples of how it can be used to solve problems. Web engineering involves using scientific principles and tools like HTML, CSS, JavaScript, programming languages and databases to design and build websites and web applications. Examples provided include building a website to promote a brand, creating a matrimonial website, building an ecommerce site for groceries and crafts, and discussing web engineering job roles like frontend engineer, backend engineer, and software architect. The document encourages developing skills to find jobs in web engineering.