In this paper we introduce two functions connected with discrete lifetime problems — the discrete aging intensity and
the alternative aging intensity. These discrete aging intensities can be used for characterization of Discrete Weibull related
distributions. Although, for all considered distributions, their characterizations can be simultaneously performed through
both intensities, in some cases characterization through one of them seems to be easier than through the other one. For
example, in case of Discrete Weibull (I) distribution, characterization through the discrete alternative aging intensity seems
to be easier (see Section 3.1) but in the case of Discrete Weibull (III) distribution, characterization through the discrete
alternative aging intensity seems to be harder (see Section 4.1).
Moreover, the discrete aging intensity order is studied. It allows us to decide that one discrete random variable has
the weaker tendency of aging than the other one. For the class of Discrete Modified Weibull distributions, the smaller the
parameters, the better the aging property of the distribution.