a) The persons in charge of business operations can be directly lectured about the
content of the system from the system designer, and can also ask questions on site.
b) The persons in charge of business operations can use their own free time and
undergo training at any suitable time.
c) Several persons in charge of business operations can participate together and
exchange their opinions on how to use the system.
d) The persons in charge of business operations can take a class all together by
assembling in a classroom.