Big data is a field that treats ways to analyze, systematically extract information from, or otherwise deal with data sets that are too large or complex to be dealt with by traditional data-processing application software.

Big data is a term that describes the large volume of data – both structured and unstructured – that inundates a business on a day-to-day basis. … It’s what organizations do with the data that matters. Big data can be analyzed for insights that lead to better decisions and strategic business moves.