Tikkun

Tikkun means “repair” or “mend.” It is used alongside the word olam (world) to express the Jewish responsibility to repair the world. Tikkun can also refer to specific texts read on various occasions, specific nights of Torah study, such as Hoshanah Rabbah and Shavuot, the process of making a shared courtyard into a personal space so that one can carry in it on Shabbat, or the process of improving character traits.