Khaneh Tekani or spring-cleaning. In the month leading up to Nowruz, households purchase new clothes, spring-clean the home, and make preparations for the Nowruz table spread. During the Khaneh-Tekani, all members of the home help and cooperate in thoroughly cleaning every nook and cranny of the home.
The acquisition of knowledge concerning spiritual beings or the future enhanced a person's control over his destiny. One path to such knowledge was the interpretation of dreams, which was also used for justifying one's actions or legitimizing one's power