Hello EveryoneI have recently started learning XML and very much confused about the use of elements and attributes. I have read many articles and some rules of thumb but still unable to get a clear picture of when to use what. For example one good rule of thumb is to use single valued data as attributes and multiple valued data as elements. Another to represent data as elements and meta data as attributes. Some articles say describe several other approaches or rules. I have several questions in mind and will much appreciate if any one can help me in understanding1) What if the data is single v