One thing to keep in mind is that our solution requires us to enable the indexing of many different business documents, ranging from PDFs to Word and Excel documents.

For instance, when indexing web pages, it may be useful to store extra information about a particular word, such as an associated URL or weighting factor based on some analysis of the text.

A word, symbol, or number used as a descriptor for retrieval of information from a collection, especially in a coordinate indexing system.