It’s covered in the online training, which NI just made free. You may also see it referred to as a producer/consumer loop

@RustyComer @elijah286 We added more to the Queued Message Handler article. I hope it helps. Please let us know what we can do to improve or consider becoming a contributor to the wiki too and help us improve. labviewwiki.org/wiki/Queued_Me… #LabVIEWCommunity #LabVIEWWiki #LabVIEWCommunityEdition