[Learning HTML] Introduction

This is my personal study note for remembering and reviewing what I learned about HTML.

1. What is HTML?
   • Stands for Hyper Text Markup Language
   • Not a programming language, but the markup language
2. HTML Tags
   • <tag> contents….. </tag>
3. <!DOCTYPE> declaration
   • Appears once at the very first time
   • It helps browsers to display correctly

I am studying these from the web https://www.w3schools.com/html/default.asp and https://developer.mozilla.org/en-US/docs/Web/HTML which are totally free to learn.