totalTermFreq

number of occurrences of the term in the collection, in the range [.docFreq .. CollectionStatistics.sumTotalTermFreq].

This is the token count for the term: the number of times it appears in the field across all documents.

This value is always a positive number, always at least .docFreq, and never exceeds CollectionStatistics.sumTotalTermFreq. @see TermsEnum#totalTermFreq()