Classes of linear approximations providing various types of stability or instability of differential systems

Relationships (inclusions, coincidences, non-coincidences) between classes of linear approximations that provide various properties of Lyapunov, Perron, and upper-limit stability or instability (from global to particular) of the zero solution to a differential system of arbitrary order are studied. A complete set of non-coinciding stability classes is presented and some considerations are given for a similar description of instability classes.