Before going in-depth to Metadata management, let’s discuss what the metadata is? The Metadata summarizes basic information about data. In other words, it’s an information which describes the data that contained in something like a web page, document, or file. Another way to think of metadata is as a short explanation or summary of what the data is.
A simple example of metadata for a document might include a collection of information like the author, file size, date the document was created, and keywords to describe the document....the camera generates a wide range of information about the image...