Aniroodh Sivaraman. 

It is best that if 

Param-Atma also means someone beyond Brahman's effulgence.

that you should quote the source of that meaning and cite how that applies.

Do the same for the next sentence and be sure to support your statements and cite the names of the writers who gave the particular meanings.

Shankara meant the ultimate destination is Brahman effulgence, but what about entities that belong beyond brahman effulgence?