Tafseer Surah Fatihah and Clarifying the Categories of Tawheed in it
The meaning of Tawheed Uloohiyyah: is Unity of Allaah in His worship in all of its aspects whereas none of it is disposed for other than Allaah: like prayer, alms-giving, fasting, pilgrimage, vows, slaughtering, seeking aid, seeking rescue, fear, trust, and other than that from the numerous aspects of worship.