Businesses traditionally use desk-top computers for their major business needs.
Working with business data. Word Processing. Accounting. Specialized Applications.
In most current business environments, desk-top computers are connected together through a network.
Such an arrangement requires:
Propriety software on the server. Propriety software on the client Most processing done on the client. Physical connections between the clients and the server. Site license fees. Hardware Maintenance staff. Software Maintenance staff. Expensive clients. Expensive servers.