LR says a constant can be member of method?

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The LR says a constant can be a member of a method?
This is different from a member of a module. Are there better explanations?
How does this operate differently?

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SUB TEST
dim x as integer // a normal variable
CONST pi=3.14159
END SUB

Pi is a constant, with a scope of TEST (that is it exists ONLY within TEST) as opposed to a Constant in a module that can be global or only within that module

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Thanks. Just wanted to be sure it didn’t have other abilities