I usually put a section in parent-project/pom.xml. This section contains dec
dependencyManagement is just here to define dependencies version for all project submodules, the only pertinent scope in this section is import for BOMs.
Scope must be defined in dependencies section.
(For a given dependency it determines the usage context. It allows to include the dependency only when it is required for execution. For example an ear will not be packaged with Java-ee dependencies (scope provided) as it will find them on the target server.)
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The first statement has an exception, the scope provided in dependencyManagement section will override defined scope in dependencies sections. see DependencyManagement to force scope