Isvara means controller or the powerful man who controls. Take for example the president or the king. So there are many isvaras, or controllers. You are also isvara; I am also isvara: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.