Thanks for the additional references, Seng Kiat.
But I think those three are types of ñana (levels of wisdom) too. Indriya is another name used.
– They are included in the section on “Ñāṇakathā” per my link above. “Ñāṇakathā” means “details on the types of Ñāṇa.”
In any case, one can interpret it in any way one likes. It is an “attainment.”