Purely Maximal Sub-modules
Maximal sub-modules
Pure sub-modules
Purely-maximal sub-modules
Purely-local modules
Fully purely-maximal
Purely–radical modules
In this paper, we present the notion of a purely maximal sub-module, also we consider some properties of this concept, and we Tresearch some relationships between purely maximal sub-modules and some other related ideas. Furthermore, we give purely-radical modules and purely local modules.