The software takes text, even a web page, and analyzes it for the number of times a word appears in the text, then it gives a relative size to the word: larger type means more instances appeared in that text.
It's a powerful visual way of analyzing text, to see what it's all about.
These are all different versions of the same text, as the site allows you to choose color, type, orientation, etc.
Want to make your own word cloud? Go to http://www.wordle.net and click create. You can click randomize to have the softward choose the graphics, or tweak it to your liking.
The letter "Ya" in the Panchakshara Mantra, Namasivaya, stands for the soul. Bodhinatha uses the Panchakshara Mantra to show how the soul is initially drawn by Siva's veiling grace, which leads the soul to maturity through experience in the world. Then comes Siva's revealing grace. When we've had enough of the world, Siva's grace pulls us toward God. The mantra also has the simple, two-syllable form. Si- Reflecting on God the Transcendent Absolute, Va-God as the All Pervading Consciousness