Definitions for "Subject Heading"
A standardized word or set of words used to define a discipline or several disciplines. In the biomedical field, the National Library of Medicine has created the MeSH (Medical Subject Headings) vocabulary. MeSH is used by many libraries to index their holdings. Another word for subject heading is descriptor. Supplier, see Agent
A word or term assigned by catalogers to provide access to records based on their subject matter. LC and MeSH are the two most common types.
A subject term (usually from a controlled vocabulary) intended to be used in an index
Keywords:  invitation, read, message, pass, first
an first invitation to read the message or pass over it