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- NetworksJitter
Variation in packet delay over time. Real-time voice and video systems may buffer arriving data to absorb some variation, trading additional delay for steadier playback.
Link to this term- Computers & specificationsJournal (data processing)
A chronological record of operations or changes. In a database or storage system, a journal can support recovery, but its contents and guarantees depend on the implementation.
Link to this term- Computers & specificationsJoystick
An input control whose movement supplies direction or position information to a system. Joysticks are used in games, simulation and equipment control, with capabilities determined by the device and software.
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Each entry gives a concise meaning and, where useful, a distinction or practical example. Topic labels identify the context; the same acronym can have several meanings. Historical names remain useful when reading older coverage.
Follow the linked Yenra guides for fuller explanations and the reference links for supporting documentation. Health, technical and regulatory terms describe concepts; individual decisions depend on the applicable evidence, equipment and circumstances.
Collection updated October 13, 2026. Full glossary · AI Glossary