The Notes area gives any additional useful information about the document. Observe the words additional useful information. The information given in the note area should not be repetitive in nature. Information that is given in any form in other areas of the main entry should not again find place in this area. The second important point about notes is that only very useful information which cannot find place in the various data elements of the main entry is to be provided.
There may be several items of useful information about a document. So it will be better if different items are given as different paragraphs. However, Rule 1.7 Al of AACR-2R gives the option of separating each such item by a full stop, space, dash, space within the same paragraph. While giving notes, we should be brief in our statements since elaborate sentences overcrowd the entry. A note should be brief enough at the same time it should convey the information. If necessary telegraphic language can be used.
Rule 21.7 and its sub-divisions of. AACR-2R illustrate the different types of notes and the manner in which they can be given.
Note area serves the important purpose of providing vital information which can not be provided in any of the other areas or parts of the main entry. Since the main entry attempts to give a picture of the document even without physically looking at it, the Note area helps the user in formulating an idea about the document by looking' at the entry itself.