Editing Arc (section)

===Technology===
* <code>arc</code>, the command-line interface for [[ArcInfo]]
* [[ARC (file format)]], a file name extension for archive files
* [[ARC (processor)]], 32-bit RISC architecture
* [[Adaptive Replacement Cache|ARC (adaptive replacement cache)]], a page replacement algorithm for high-performance filesystems
* [[Arc (programming language)]], a Lisp dialect designed by Paul Graham
* [[Arc (web browser)]], a freeware web browser developed by The Browser Company
* [[Sony Ericsson Xperia Arc]], a cellphone
* [[Audio Return Channel]], an audio technology working over HDMI
* [[Authenticated Received Chain]], an email authentication system
* [[Arc lamp]], a lamp that produces light by an electric arc 
** [[Xenon arc lamp]], a highly specialized type of gas discharge lamp
** [[Deuterium arc lamp]], a low-pressure gas-discharge light source
** [[Hydrargyrum medium-arc iodide lamp]], the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp
* [[Electric arc furnace]], a furnace that heats charged material by means of an electric arc
* [[Arc welding]], a welding process that is used to join metal to metal
* [[Arc-fault circuit interrupter]], a specialized circuit breaker
* [[Arc converter]], a spark transmitter
* [[Intel Arc]], brand of graphics processing units designed by Intel
* Arc, one side (half) of an [[arch]]