The praise – introduction to Allah

From Surah Al-Fatihah

ٱلْحَمْدُ لِلَّهِ رَبِّ ٱلْعَـٰلَمِينَ (١)
ٱلرَّحْمَـٰنِ ٱلرَّحِيمِ (٢)
مَـٰلِكِ يَوْمِ ٱلدِّينِ (٣)

Meaning

1:1 Praise be to Allah, the Lord of the worlds
1:2 The most gracious, the most merciful
1:3 The Sovereign of the day of recompense

Understanding of Allah's slave

The Lord/Sustainer of the worlds, The Beneficent, The Merciful, The Sovereign of the day of recompense