In HTML (HyperText Markup Language), tags are used to mark up the start and end of an HTML element and are used to describe the structure and content of a web page. An HTML element typically consists of a start tag, content, and an end tag. For example, the following code defines a paragraph element:
<p>This is a paragraph</p>
Attributes are used to provide additional information about an element, such as the type of input element or the source of an image. Attributes are always specified in the start tag of an element and are written as name-value pairs. For example, the following code defines an input element with a type attribute and a value attribute:
<input type="text" value="Enter your name">
In this example, the "type" attribute is set to "text", and the "value" attribute is set to "Enter your name". Attributes can be used to provide a wide range of information about an element, such as its id, class, style, and many others.