Time horizon (event horizon, timeframe)

Fixed time limit for the elaboration of the different hypotheses of evolution of the variables that describe the system object of a prospective study. A time in the future at which accomplishments, policies and plans will be evaluated; a temporal target, a destination in time for plans laid today. In an accounting, finance or risk management the time horizon may be a quarter; national policies may have a time horizon of decades. Treasury bonds, for example, are issued with 30 year maturities.