scope

Kotlin supports following scopes:

• package scope - everything that declared inside package
• modules scope - everything that declared inside module
• class scope - everyhing that declared within class/object/interface body
• local scope - everything that declared within function or method body
• block scope - anything declared within the curly brackets {} or the Kotlin statement/expression body
• the top level scopes of non-script Kotlin files

modules

A Kotlin module is a set of Kotlin files which are considered to be interdependent and must be handled together during compilation. In a simple case, a module is a set of files compiled at the same time in a given project:

• a Maven module
• a Gradle project