This term classifies disciplines about activities that aim to conceive and understand social, natural, historical, cultural et c. phenomena, types of phenomena that had occurred in the past, or are occurring today or phenomena which we might predict will happen in the future (e.g. weather forecast). They also should be communicable and remain true when evaluated. The conception and comprehension of phenomena may concern a part of the phenomenon or the whole thing. (e.g. science, research et c.).