<td>
A data cell.
Baseline: Widely available · Tables
When to use it
For the values; in complex tables list its governing header ids in the headers attribute.
When not to
If the cell labels other cells rather than holding data, it's a th.
Key attributes
headers- space-separated th ids
colspan / rowspan
Example
<td headers='slot-0900 col-structure'>Opening keynote</td>