Contains directions or instructions, which are required to be complied with by the recipient. In case of non-compliance of office orders, disciplinary action may b e initiated.
Transfers, extension of probation period, distribution of work, etc.
Is a form of a letter addressed to all office branches or departments of a company and is drafted in such a way that the information is useful and understandable to all concerned.
Difference Being unsolicited is persuasive in approach with emphasis on You attitude and an appealing format. Usually brief and precise. It is an unsolicited communication sent to customers/suppliers. It is an intra-office communication which seeks to bring to notice important matters of the organization. Letter conveying some information from a businessman or organization to a large number of customers and /or suppliers. A letter or a memorandum addressed to a number of persons or intended for general circulation in the organization. Circular Letter Office Circular
Noting is the way by which an employee gives his suggestion or decision. This is widely spread in public sector enterprises.
A note may consists of a summary of all relevant papers, a statement or analysis.