Overlay

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Overlay may refer to:

  • Overlay architecture, "event architecture" relating to the temporary elements that supplement existing buildings and infrastructure to enable the operation of major sporting events or festivals
  • Overlay Control in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures
  • Video overlay, techniques to display video on computer display
  • Historic overlay district, a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons
  • Overlay plan, a method of introducing new area codes in telephony
  • In gambling, an overlay is where the bettor thinks the odds given are too generous

In computer tech[edit]