This document discusses the three main categories of Tawheed in Islam: Tawheed ar-Ruboobeeyah (maintaining the unity of lordship), Tawheed al-Asmaa was-Sifaat (maintaining the unity of Allah's names and attributes), and Tawheed al-'Ebaadah (maintaining the unity of worship). It provides details on each category, including evidence from the Quran and hadiths. It also discusses other Islamic beliefs such as faith in prophets, life after death, and the need to defend Islam.