1. MS Word: define a heading, subheading, paragraphs in different lines: you can easily modify the sizes and colours because separation of concerns.
2. Design a subscribe button: HTML for structure. Css for Styling. JavaScript for behaviour or interaction. We can easily modify because all are separated, modify the one without affecting the other.. Easy to find and change specific pieces of code. When you write software, you should break it into parts. We can achieve modular code and Much easier to test.

Framework : Principles and process Which is required to develop something.