useful doesn't just mean that they're about requested topics they also have to convey useful information so defining allography as forging a signature is a start but it's not enoughimagine opening up a paper encyclopedia to find that it defines earth as a big round thing with stuff on it article writing is about depth not quality in the example of the allography article you could write about methods of signature forging legal consequences famous forged signatures etc and produce a much more informative article than one that just defines the term oct utc