index

I used the index to quickly locate the page with the information I needed.

The book didn't have an index, so it was hard to find what I was looking for.

Can you check the index for the chapter on dinosaurs?

I indexed all the important keywords in my research paper so it's easier to search through.

She forgot to index the references in her report, making it difficult for readers to look them up.

Have you indexed the key points in your presentation?