  As it has been extensively argued in the secondary literature (see, for instance, Priest 2005), the difference between these two kinds of properties is unclear. It is also fair to say that, even though some (neo-)Meinongians have tried to cash out such a distinction in more precise terms (see, for instance, Jacquette 2015 and 2017; Parsons 1978 and 1980), there is little consensus that any progress has been made. That being said, even though it is certainly difficult to have strict criteria to separate the characterizing properties from the non-characterizing ones, it is absolutely clear that: