North words come from the vein said us that meaning that standing out or soaring, that was meant in this case he the land that get higher that is the Mountain.
In fact the sun indeed had the influence on the life and the safety, whereas the mountain had the influence on prosperity, where the land the loose mountain functioned as the water reservoir that was the source of rivers with his water that gave prosperity.
Why the Lord chose the mountain, the sun and temples as his place, in fact he was everywhere and controlled this universe.
Apparently could we take the equal as a landlord that had hectare the land If the landlord wanted to see his land he will choose the place that the height or the good place from his land to easily see and supervise his property.

The sun and the mountain were belonging to the good Lord.
So why Hindu Group include his hands worshipped the Lord to the side of the sun rose (east) or to the side of the mountain.
The place from where Ida Sanghyang Widhi sent his love took the form of the abundant gift to all the creatures in this planet.
The sun and the mountain were the gift as the sign of the love of Ida sang hyang Widhi, then appropriately, from where the arrival of the love through that also Hindu group bowed the head said thank you.

The service destroyed hatred, in March ah, jealous and the fear.
Angry, hated, jealous and frightened of being resulting from sticky.
The service and the love could destroy all that.