This document provides a list of over 50 gastrointestinal signs seen on imaging with brief descriptions. Some of the signs included are: - Windsock sign which indicates intraluminal duodenal diverticulum. - Cobblestone sign seen in Crohn's disease which is characterized by a granular mucosa. - String sign seen in Crohn's disease presenting as longitudinal ulcers. - Pearl necklace sign seen with adenomyomatosis of the gallbladder appearing as dilated biliary radicles. - Hourglass or collar sign indicating a diaphragmatic hernia. The document serves as a reference for various imaging findings or "signs" seen in gastrointestinal diseases and