1.2 Ordered list
(1) Grammar
```
<ol>
<li>Going out</li>
<li>Turn right</li>
...
</ul>
```
(2) Semantics
Unordered lists are used to group a set of data or content where the order makes sense
(3) Default style (demo)
- default spacing
- List style: numbered
(4) Typical application (illustration)
- Steps in cooking recipes
- Turn-by-turn directions when giving directions
- List of ingredients sorted by content on the nutrition information label
- Breadcrumbs
(5) type attribute (understand)
- `a`: lowercase letter
- `A`: capital letter
- `i`: lowercase Roman numerals
- `I`: uppercase Roman numerals
- `1`: number
```html
<ol type="I">
<li>Step 1</li>
<li>Step two</li>
</ol>
```
**Note:** The type attribute is not commonly used, and is usually replaced by the css attribute.