The protocol or protocols operating at a particular level within a protocol suite, such as IP within the TCP/IP suite.
— Computer ScienceA container that holds page elements, such as text and graphics. You can overlap, nest, and show or hide layers on a page. You can also animate layers.
— Computer ScienceIn the- OSI- reference model, a layer is a collection of related network-processing functions that constitute one level of a hierarchy of functions.
— Computer Science