It allows selecting whether we want only the data defined locally in the
level or also those that it inherits from other higher levels with which it
is related.
In case of inheriting attributes from other levels, in the table, these can
have as a prefix the name of the level in uppercase.
See Also
Other information output functions:
get_higher_level_names(),
get_level_geometries(),
get_level_layer(),
get_level_names()