1. Front-end Development:

   • This involves everything that the user interacts with on a website or web application.
   • It includes the user interface (UI) design, user experience (UX), and the implementation of designs using technologies like HTML, CSS, and JavaScript.
   • Front-end developers are responsible for creating the look, feel, and interactivity of a website.

2. Back-end Development:

   • This involves the server-side operations that enable the front-end to function.
   • It includes handling databases, server logic, and ensuring that the application runs smoothly.
   • Back-end developers work with languages like Python, Java, Ruby, or PHP and frameworks like Django, Flask, Spring, etc. They also interact with databases using technologies like SQL or NoSQL.

A full stack developer is skilled in both of these areas and can work on every aspect of a web application. This includes designing the database, building the server logic, creating the user interface, and managing the server/hosting environment.

Additionally, full stack developers often have knowledge of other technologies like version control systems (e.g., Git), deployment platforms, and sometimes even mobile application development.

Being proficient in both front-end and back-end development allows full stack developers to take on a wide range of tasks, making them versatile and capable of handling entire projects on their own or as part of a team.