档案文献与其它文献一样，本身具有层次性。比如，按加工程度的不同可划分为一次文献，二次文献，三次文献等等。而档案文献信息的开发利用也有不同的层次，它指的是档案信息开发利用过程中的不同级别，如技术水平的不同．开发力度的差异都会出现不同的开发层次。与其它类型的 Archival documents, like other documents, are themselves hierarchical. For example, according to the different degree of processing can be divided into a literature, secondary literature, literature and so on. However, the development and utilization of archives literature information also have different levels. It refers to the different levels in the development and utilization of archival information, for example, different technical levels. Different development efforts will show different levels of development. With other types