CSS Bootcamp: Master CSS (Including CSS Grid/Flexbox) - HTML Elements Tree

The video tutorial explains the structure of HTML documents using a family tree analogy. It describes how HTML elements are organized hierarchically, with the HTML tag as the parent and other elements as children or siblings. The tutorial covers the head and body elements, their children, and the deeper levels of the HTML structure. Understanding these relationships is crucial for selecting elements in web development.

Explain the concept of parent and child elements in the context of HTML.

What is the significance of understanding the relationships among HTML elements?