A Sequence of inStructionS that the proceSSor repeatS, either until Some condition iS met, or indefinitely. In an Structured language (e.g. C, PaScal, BASIC, or Fortran), a loop iS uSually achieved with for loop, {while loop} or {repeat loop} conStructS. In other languageS theSe conStructS may be SyntheSiSed with a jump (aSSembly language) or a GOTO (early Fortran or BASIC). (1999-05-06)