Descriptor

Descriptor may refer to: An identifier

==Information technology== Short Payment Descriptor, a compact data format for an easy exchange of a payment information using modern electronic channels Data descriptor, a software or hardware structure describing data Visual descriptors, a representation of visual features in image or video Security descriptor, a Windows data structure containing security information Segment descriptor, used for memory addressing in x86 computer architectures Index term, also known as a "descriptor" in information retrieval File descriptor, an abstract key for accessing a file