Service enhancement which is not provided automatically as part of the basic service. The customer must select the option by checking a box, or affixing an additional label, or sticker, or using the specified indicia. (option)
An alternative to standard notation provided in the schedules and tables to give emphasis to an aspect in a library's collection not given preferred treatment in the standard notation. In some cases, an option may provide shorter notation for the aspect. See also Optional number.
A specified combination or grouping of courses which provides a secondary emphasis in certain plans. The emphasis may be in another academic subject or in a career-oriented area.