This close button icon is a minimalist design element used in user interfaces to signify the action of closing a window, dialog, or other interactive element. The icon features a prominent white 'X' centered within a circular border, set against a stark black background. The simplicity of this design makes it versatile for various digital applications, from web design to mobile app interfaces. Its clear and recognizable symbol ensures that users can easily understand its function, enhancing the overall user experience by providing a straightforward way to dismiss or exit a particular view or feature.