What are the block and inline HTML tags?

The HTML tags has two different types, the block elements and the inline elements.

Block element: 
The block element takes the entire width of the page and does not allow any element on the same line. Following are some block elements:

• <div>
• <h1> - <h6>
• <p>
• <form>

Inline element: 
The inline element takes only the space it needs and allow any element beside it. Following are some inline elements:

• <span>
• <a>
• <img>