Tazkiyah (purification) in Islamic thought has different interpretations, including:

1. Purification of the heart (qalb): Focusing on spiritual growth, self-reflection, and cleansing one’s heart from vices.

2. Purification of the soul (nafs): Striving to control desires, whims, and ego.

3. Purification of actions (amal): Ensuring deeds align with Islamic teachings and values.

4. Purification of intentions (niyyah): Focusing on sincere intentions and motivations.

5. Purification of wealth (mal): Managing wealth and resources in a halal (permissible) manner.

These interpretations aim to achieve a balanced and comprehensive approach to spiritual growth and self-improvement.