An Action in Adalo is the brains behind what happens in your app and are typically denoted by the color Yellow. Actions can be placed on components, screens, and list items and are responsible translating what a user does in the app into changes in the database or in the app itself. Without Actions you wouldn't be able to do anything in your app! Some types of actions include creating database records, updating records, deleting records, linking to screens or websites, and sending notifications.