A "popup menu" is a small menu that appears on a computer screen when you right-click on something. It offers options to choose from, usually related to the item you clicked on. Full definition
Select «Download ePub» item from popup menu, Web browser will ask you to open «acsm» in Adobe digital editions, click «OK» to confirm to download in digital editions, then ebook will show up in digital editions. (ebook-converter.com)
version 2.3: fix: issue with uneven keyboard rows height, unresponsivness when popup menu is cancelled, autotools build and other minor bugs (fabiszewski.net)
Press on the 5 - way again and from the Copy - Paste popup Menu choose «Delete». (dealsagar.com)