Droplet
From The Glossary of Digital Photography
A Photoshop action that is saved external to Photoshop. The droplet is represented by an icon that is shown on the desktop or in a folder on the system. To initiate the droplet action, simply drop an image, a series of images, or a folder of images onto the icon. Photoshop is launched and the action begins to work on the images. Using droplet is simply a faster and more efficient way to initiate actions in Photoshop. See also action
