Allah means: The personal
Allah Subhana Tullah. or just Allah
Abdallah means 'Servant of Allah' or "Human of Allah" where "Allah" means GOD in Arabic.
God.
In the name of Allah, Most Garcious, Most Merciful
If you believe in God then you believe in Allah. The name Allah is only the Arabic version of the name of God. Every Language has their version of the name of God. The word God is the English version. There are many Arab Christians that say Allah too. It is not just the Muslims who say Allah.
'Allah' is the Arabic name for God. It is the noun which is used to describe God in the same way 'Gott' is used in German or 'God' in English.
Abdurrahman is an Arabic name meaning "servant of the Most Merciful (Allah)." It is a common name among Muslim males.
Waseela are things that makes us nearer to Allah.
may Allah be your protecter, can be used as a farwell
If you mean/meant khuda (in Farsi) then no, its just like saying the word "god" or something like that but to specify which god it is we would say Allah (SWT). If you actually meat khoda then no, he has 99 names but none of them are khoda.
Allah
No the only name of Allah is Allah or if you translate it it means God Abdulah is one of Allah's Favourite names it means slave of Allah