The phrase "Hello, World!" is a tradition in computer programming. It's typically used as a simple example to introduce a programming language's syntax and structure. The goal is to write a program that outputs this message to the screen, allowing the programmer to verify that they have a working development environment and to become familiar with the basic structure of a program in that language. The "Hello, World!" example also serves as a starting point for more complex programs, as it can be expanded and modified to demonstrate various language features and programming concepts.

How is the use of comments and how do you write comments in HTML?

In HTML, comments are used to add annotations or explanations within the HTML code that are ignored by browsers when rendering the page. They are helpful for other developers who are reading the code or for yourself if you want to remember what a certain section of code does in the future.

Anything written between the opening '' and closing '' tags is considered a comment and will not be displayed on the rendered web page.

What are elements tags and attributes and the difference between them?

HTML elements are the building blocks of an HTML document. They are used to define the structure and content of a web page. Examples of HTML elements include paragraphs, headings, links, and images. Attributes are used to provide additional information about an HTML element. They are specified within the opening tag of an element and provide additional information about how the element should be displayed. For example, the src attribute is used to specify the source URL of an image in the element, and the href attribute is used to specify the destination of a link in the element. The main difference between HTML elements and attributes is that elements define the structure and content of a web page, while attributes provide additional information about how that element should be displayed or how it should behave.

Briefly explain what HTML entities are.

HTML entities are special characters that are used in HTML to represent certain characters or symbols that are not easily inputted through a keyboard. They are represented by a combination of characters, such as '&' and ';,' and are interpreted by browsers as the desired character or symbol.

For example, the HTML entity © represents the copyright symbol (©), the entity < represents the less than symbol (<), and the entity ‘" ‘represents the double quotation mark (").

Using HTML entities can help ensure that special characters are displayed correctly in all browsers and can also be useful for preserving the meaning of certain characters that may have special significance in HTML code, such as '<' and '>'.