Etiquette of making dua and importance of understanding of what you’re asking

The Messenger of Allah ﷺ said: "Call upon Allah while you are certain of being answered, and know that Allah does not answer a supplication from a heedless, distracted heart."

قَالَ رَسُولُ اللَّهِ ﷺ: «ادْعُوا اللَّهَ وَأَنْتُمْ مُوقِنُونَ بِالإِجَابَةِ، وَاعْلَمُوا أَنَّ اللَّهَ لاَ يَسْتَجِيبُ دُعَاءً مِنْ قَلْبٍ غَافِلٍ لاَهٍ».