Editing Overlay

{{Wiktionary|overlay}}
'''Overlay''' may refer to:

==Computers==
*[[Overlay network]], a computer network which is built on top of another network
*[[Video overlay]], techniques to display video on computer display
*[[Hardware overlay]], one type of video overlay that uses memory dedicated to the application
*Another term for [[exec (system call)|exec]], replacing one process by another
*[[Overlay (programming)]], a technique to reduce the amount of memory used by a program
*[[Overlay keyboard]], a specialized keyboard with no pre-set keys
*[[Keyboard overlay]], a sheet of printed text sitting between the keys, depicting an alternate keyboard layout
*[[Vector overlay]], an analysis procedure in a geographic information system for integrating multiple data sets

==Other uses==
*[[Overlay architecture]], temporary elements that supplement existing buildings and infrastructure for major sporting events or festivals
*[[Overlay complex]], a method of introducing new area codes in telephony
*[[Overlay control]], in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures 
*[[Historic overlay district]], a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons
*When the payoffs in gambling are greater than the costs; see [[Advantage gambling]]

==See also==
{{canned search|overlay|over-lay}}
* [[Layover (disambiguation)]]
* [[Over (disambiguation)]]
* [[Lay (disambiguation)]]
* [[Overlap (disambiguation)]]
* [[Overload (disambiguation)]]
* [[Superposition (disambiguation)]]
* {{srt|1}}

{{Disambiguation}}