Allah means The Only One God. Ar-Rahman (The Compassionate) and Ar-Raheem (The Merciful) are the first 2 names and attributes of Allah from the 99 attributes.Whatever we know or can ever know about Allah is through His attributes because He is as He describes Himself. It is very important to learn about our Creator, our Lord, or our God through learning about each of His 99 attributes. You can read a little bit about these names and attributes by visiting the blog links below: