title: TOC
text: # TOC
  
  Toc or TOC may refer to:
  
  ## Documents
  
  * Table of contents found at the beginning of a book or document
  
  ## Organizations
  
  * Transnational organized crime
  * Thomson Corporation, by ticker symbol on the New York and Toronto Stock Exchanges
  * The Objectivist Center, part of The Atlas Society
  * Tactical operations center, for police, paramilitary, or military operations
  * Taste of Chaos, a winter/spring concert series
  * Tournament of Champions (debate), a high school debate tournament
  * Train operating company in the UK
  * Town of Cambridge Perth, Western Australia
  
  ## Places
  
  * Monte Toc, Italy, site of a major landslide
  * Toc, a village in Săvârșin Commune, Arad County, Romania
  * Town Centre stop, a Light Rail stop in Hong Kong, by MTR station code
  
  ## Science and technology
  
  * TOC protocol, an instant message communications protocol
  * Translocon at the outer membrane of chloroplast, in beta barrel
  * Total organic carbon in an organic compound
  * TOC1 (gene), a gene that regulates circadian rhythm in plants
  * Theory of computation in computer science
  * Transmission oil cooler, a secondary function (or specialized type) of radiator (engine cooling)
  
  ## Mathematics
  
  * Total operating characteristic, a statistical method to compare a boolean variable and a rank variable
  
  ## Other
  
  * "T", in the World War I Western Front "signalese" and the RAF phonetic alphabet
  * Teacher on call, a substitute teacher
  * Theory of constraints, a management paradigm
  * Theory of change, a methodology to promote social change
  * Top of climb, in aviation
  * Train operating company
  