Word by Word Analysis

فَٱعْلَمْ أَنَّهُۥ لَآ إِلَـٰهَ إِلَّا ٱللَّهُ وَٱسْتَغْفِرْ لِذَنۢبِكَ وَلِلْمُؤْمِنِينَ وَٱلْمُؤْمِنَـٰتِ ۗ وَٱللَّهُ يَعْلَمُ مُتَقَلَّبَكُمْ وَمَثْوَىٰكُمْ 19

So know, [O Muḥammad], that there is no deity except Allāh and ask forgiveness for your sin and for the believing men and believing women. And Allāh knows of your movement and your resting place.