Description of list elements commonly used in web page layout: ul ol li dl dt dd

The list element ul ol li dl dt dd, commonly used in div css webpage layout, should be used as little as possible. Like table, the fewer nesting, the better
Ol ordered list.
<Ol>
<Li> ...... </Li>
<Li> ...... </Li>
<Li> ...... </Li>
</Ol>
Performance:
1 ......
2 ......
3 ......
Ul unordered list, represented by a large circle before li rather than 123
<Ul>
<Li> ...... </Li>
<Li> ...... </Li>
</Ul>
Many people tend to ignore the use of dl dt dd.
Dl content block
Title of the dt content block
Dd content
This can be written as follows:
<Dl>
<Dt> title </dt>
<Dd> Content 1 </dd>
<Dd> content 2 </dd>
</Dl>
You can add ol ul li and p to dt and dd.
After understanding this, it is much easier to use div layout. w3c provides many elements to assist layout.