All office workers independent of their specific disciplines need a set of "Basic Office Services". Electronic Mail, Time Management, On-Line Dictioanry, Thesaurus, Personal Phone Book and Corporate Phone Book are examples of such Basic Office Services.
These generic office services are independent of the specific nature of the discipline (Accounting, Programming, Engineering, Legal, ...) that office worker is associated with.
These basic services are often provided at the workgroup level. In large organizations, many soultions to address these basic office requirements co-exists.