In trad publishing it is also common to see word count requirements in submission requirements. Baen and TOR prefer books at 100k or even a bit longer and their sub recs used to state that (I haven't looked in years.) Harlequin has very tight recs--and a word count that is considerably shorter (I want to say 65 to 80...but it has been a long time and that was not a market I targeted). Same with every genre/publisher. Those word counts have changed some over time, but there were some pretty general guidelines if you were writing for a particular publisher or market.
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