please help me to translate these four concepts into your own words. thanks Customer interaction center(CIC): A part of

[answerhappygod]

please help me to translate these four concepts into your own
words. thanks
Customer interaction center(CIC): A
part of operational CRM that provides a central point of contact
for an organization's customers, employing multiple communications
channels to support the communication preferences of customers
Customer relationship
management(CRM): A corporate-level strategy
designed to create and maintain lasting relationships with
customers by concentrating on the downstream information flows
through the introduction of reliable systems, processes, and
procedures
Electronic data interchange(EDI): The
digital, or electronic, transmission of business documents and
related data between organizations via dedicated telecommunications
networks
Just-in-time(JIT): A method to optimize
ordering quantities so that parts or raw materials arrive just when
they are needed for production