Like input-output symbols, process boxes have a single line connecting it to the previous flowchart step and a ... are labeled for each outcome. For example, a payroll program may compare weekly ...

It begins with the input of data or materials into the system and traces all the procedures needed to convert the input into its final output form. Specialized flow chart symbols show the ...

However, the simple flow chart of Input, process ... make the wheel turn (output). Other examples include door handles, wind-up toys, and pencil sharpeners.