This article or section needs to be revised. Please help to improve it , and then remove this flag.
This article or the following section is not adequately provided with supporting documents ( e.g. individual evidence ). Information without sufficient evidence could be removed soon. Please help Wikipedia by researching the information and including good evidence.
Key data is the term used to describe the essential, brief data needed to record statistical , biographical , economic or similar facts. Key data can be expanded dynamically as required.