# How to Combine Highlights on-the-Fly With Concatenation in Readwise ![rw-book-cover](https://s3.amazonaws.com/readwiseio/2018/06/concatenate-cover-1.gif) ## Metadata - Author: [[Daniel Doyon]] - Full Title: How to Combine Highlights on-the-Fly With Concatenation in Readwise - Category: #articles - Summary: Learn how to cut down on unnecessary content in your highlights using the concatenate action tag in Readwise. By combining key sentences from different parts of a text, your highlights will be clearer and more efficient for future reviews. Using this method can help you engage more actively with your reading and get more meaningful insights. - URL: https://blog.readwise.io/combine-highlights-on-the-fly/ ## Highlights - you'll sometimes highlight an entire paragraph to preserve sufficient context for your future self when all that were needed were the first and last sentences. Rather than capture that extraneous content, use the concatenate action tag to highlight and note the first sentence `.c1` and the last sentence `.c2`. ([View Highlight](https://read.readwise.io/read/01j3pjebmbxc7ta159cb0p9w30)) - Every time you use the note `.c1`, you start a new series of concatenation. ... You can continue concatenating indefinitely (i.e., `.c3`, `.c4`, ...), but you'll seldom need more than two. ... If you want to leave a note in addition to the concatenate action tag, simply hit enter and type your note as you normally would.