This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
It means table row. 
When u are mentioning items row by row and item by item in each row,  u use this.

When u describe each row, u start with <tr>

2 4 2
<tr> Refers to table row, Its used to Add a table In Html. :)