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Carousel:
A carousel slider is a slideshow of photos. A carousel allows multiple pieces of featured content to occupy an allocated amount of space.
An image carousel is a container (slideshow) of images or info that users can select by clicking a button that directs them forward or backward in the slideshow. An image carousel makes a website more interactive by enhancing the user experience.
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Progress Bar:
A progress bar is a graphical control element used to visualize the progression of an extended computer operation, such as a download, file transfer, or installation.
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