Layer
Layer is a term that can refer to a variety of concepts in different fields, from computing and technology to biology and geology. In general, it refers to a level or tier of a structure or system that is distinct from those above and below it.
Computing and Technology[edit | edit source]
In the field of computing and technology, a layer often refers to a level in a software or hardware stack where each level provides services to the next higher level. Examples include the OSI model for network protocols, where each layer provides services to the next higher layer, and the software stack in a computer system, where each layer provides services to the applications running on it.
Biology[edit | edit source]
In biology, a layer can refer to a level of cells or tissues in an organism. For example, the skin is composed of several layers, each with different functions. Similarly, the brain is composed of layers of neurons, each with different functions.
Geology[edit | edit source]
In geology, a layer refers to a stratum or bed of rock or soil. Layers are often visible in cliff faces or road cuttings, and they can provide valuable information about the geological history of an area.
See Also[edit | edit source]
This disambiguation page lists articles associated with the title Layer.
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