the typical translation of Mahaggataṃ citam is , exalted , or expanded mind?
and in MN 127...two types of cetovimutti described.
(1)mahaggatā cetovimutti (expanded freedom of mind)
it related to area.. area of size, 1 treeor 2 or 3 tree or village, or kingdom , or earth and so on..
(2) appamāṇā cetovimutti? (limitless freedom of mind)
it described by direction.