Data (can be singular or plural in common usage)
Factual information, especially information organised for analysis or used to reason or make decisions. In computer science Numerical or other information represented in a form suitable for processing by computer. (The terms data, information and knowledge are frequently used for overlapping concepts. The main difference is in the level of abstraction being considered. Data is a broad term, embracing others, but is often the lowest level of abstraction, information is the next level and, finally, knowledge is the highest level.) See also Raw data, Derived data, Metadata.