Subject headings can be defined as:

Question

Answer

An
scheme type providing a set of controlled terms to represent the
subjects of items in a collection. They can be extensive but with a
shallow and limited hierarchical structure

Answer

A list of place names where ach entry may be identified by feature type, such as river, city, etc.

Answer

An alphabetical list of words and their definitions.

Answer

A structure of concepts and terms not as hierarchies but as a network or a web.

Crowdly

Subject headings can be defined as:

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