Unlike most images, pictures, and charts captions, photo captions (also often called cutlines) have multiple lines of text. Many publications share the title of the photo (caption) and a more detailed description (cutline). The terms Captions and Cutlines are often used interchangeably, particularly in magazines.
When you add formulas to your document, it may need to to add captions - right-justified automatic numbering on the same line as equation. It is easy to add captions for the equation:
Some requirements demand listing figures, tables, and other visual objects at the end of a document. They are named List of Figures and List of Tables. Microsoft Word offers the functionality named Table of Figures that helps generate and update a list of the captions for pictures, charts, graphs, diagrams, slides, photos, or other illustrations of the document, along with the numbers of the pages on which the captions appear.
The publishing requirements often demand different styles for different types of visual objects like figures, tables, etc. Word has a pre-defined style Caption and applies it to all captions in the document. So, you might need to modify or create additional styles for captions.