a numbered list
"The manager sent an email with important updates, but I missed the section on new policies because it was buried in a paragraph instead of being presented as a clear numbering."
A sequence of numbers indicating order or otherwise used for identification.
"The librarian organized the fiction section by numbering each book on its spine to make it easy to find."
present participle of number
"The teacher spent the morning correcting essays, her pen never stopping while numbering each student's name on the roster."