hOW DO YOU TYPICALLY APPROACH GENERATING KEYWORDS?
keywords
A significant word or phrase in the title, subject headings (descriptors), contents note, abstract, or text of a record in an online catalog or bibliographic database that can be used as a search term in a free-text search to retrieve records containing it also referred to as natural language
Controlled Vocabulary
predefined, authorized terms that have been indexed by the designer of the vocabulary -- typically LOC or a database
