What are the numbers behind the script-names in the script-editor?

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:bust_in_silhouette: Asked By Drachenbauer

Hello
in the script editor there is this list of opened scripts on the left side of the actual writing area.
There are weird numbers behind the names,
sample: level.tscn::56
What do these numbers mean?

Edit:
I think, now i found out, what these numbers are.
They are only attached to scripts, that are integrated in .tsch scene-files.
If i open such a file with a simple text-editor, it contains the script as a resource, that has a number as an id.
I think, the number in the script-editor is this resource-id-number.