Research is an important part of many fields, from science to business. It involves the systematic investigation of a subject in order to discover facts or principles. The term 'researches' can refer to two different activities: delving and looking up. Delving involves digging deep into a subject to uncover new information or to gain a better understanding of it. Looking up involves searching for information that already exists, such as in books, journals, or online sources. Both activities are essential for successful research.