To provide an information processor, an information processing program and a recording medium on which the information processing program is recorded, for allowing a user to easily change processing to be executed by application in accordance with purposes of uses or use.

The information processor has: an information processing means for achieving each of a plurality of small functions that comprise functions corresponding to menu items of the application; a definition data generating means for generating definition data 21 for defining an execution condition and order of execution of the information processing means; and an information processing executing means for executing the information processing means on the basis of the definition data 21 generated by the definition data generating means. The processor has a means for outputting to a storage means 41 information about the definition data 21 and log information comprising a parameter and intermediate data dealt with during the processing.