Assalamualaikum,

This following link is a passage on the meaning of Tasawwuf written by a Sufi Shaikh of the Chistiyya Sufi Order, Shah Shahidullah Faridi. His introduction to Sufism is probably one of the best and most simple to understand. So go on and check it out!

http://www.nfie.com/Faridi.html

Salams.