Etymologically this term is composed of the French "baie" and the Latin "baia" . The dictionary of the Royal Spanish Academy (RAE) defines the term bay as: "entrance of the sea on the coast, of considerable extension, which can serve as a shelter for boats . " Therefore, a bay comes into being as a result of erosion by the movements of the sea that creates a kind of opening in the land. It is the mouth of the sea that is bordered by land except for the entrance or mouth. The bays have characteristics similar to those of the keys, that is why they are often confused, but the extension of the bay is much shorter than that of the keys..
The bays are of great importance for the economy and tourism of the area where it is located, since due to its unique formation and beauty, they make it perfect for the construction of ports, greatly influencing fishing and port activities.
In the area of systems, the term bay refers to the width in the cabinet of a computer that allows the incorporation of storage units and similar mechanisms. A computer can have a certain number of bays depending on the clearance it has, for example a desktop computer can have 4 or 5 bays. This class of bays can be internal or external, in addition to being presented in two sizes, it is applicable for the placement of hard disk modules for CD-ROM.
Despite its name, the bays for external drives are located on the inside of the computer tower cover, their function is to allow the external buses to be available for the modules that require them. In turn, the bays for internal drives are located on the inside of a chassis, a computer that uses removable media must have a bay for internal drives.
