Giving up sin, regretting to do it, resolving to never return to it, in addition to amending whatever deeds can be amended by repetiton.
Tījāniyyah
It is the state of the heart when it becomes awake from its heedlessness, and gets ready for meeting its Lord by being determined to perform acts of obedience and overcome all impediments and obstacles.
Protecting and guarding oneself from harmful things by doing acts of worship and avoiding the prohibitions.