The basic Wikipedia definition of;
The Assembly-Line:
"An assembly line is a manufacturing process in which parts that are usually interchangeable are added to a product in a sequential manner to create a finished product much faster than with handcrafting-type methods". This method was employed at Ford Motor Companies as early as 1913.
The Motto:
IF EVERYBODY DOES THEIR INDIVIDUAL PARTS SIMULTANEOUSLY, THE WHOLE JOB GETS COMPLETED FASTER.
IF EVERYBODY DOES THEIR INDIVIDUAL PARTS SIMULTANEOUSLY, THE WHOLE JOB GETS COMPLETED FASTER.