The <dd> means definition descripion. The <dd> tag is used in conjunction with <dl> (defines a description list) and <dt> (defines terms/names). This tag define the description of an item in a description list. This element can contain block-level elements such as headings, paragraphs, blockquotes, etc. as well as inline-level elements such as span, em, strong, etc.
<dd> tag = definaition description
<dl> tag = description list
<dt> tag = defines terms
<dl> and <dt> tags you can learn from next slide or select topic from sidebar.
Example of Code
<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>
Output
Coffee
Black hot drink
Milk
White cold drink
