subject indexing
The act of describing a document by index terms to indicate what the document is about…The act of describing a document by index terms to indicate what the document is about or to summarize its content, the index terms often coming from a controlled vocabulary.
Meaning
1 senses(uncountable)The act of describing a document by index terms to indicate what the document is about or to summarize its content, the index terms often coming from a controlled vocabulary.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable