Do you understan what im saying

"DO YOU UNDERSTAND WHAT I'M SAYING"

a: "hey Lara what's the answer of number 7?
b: " what? i cant hear you"
a : "do you understand what i'm saying? i said what's the answer of number 7?"
b : "oh, the answer is A"

"DO YOU UNDERSTAND WHAT I MEAN"
a : " would you hear me speaking in bahasa?"
b : "sure"
a : "Hari yang indah di pagi ini, do you understand what i mean?"
b : "yes it means such a beautiful day in this morning"

"DO YOU KNOW WHAT I'M TALKING ABOUT THAT MAKE SENSE"
a: hey have you heard the rumors
b: yes i have
a: do you know what im talking about?
b : yes, you talking about the rumors spears that really make sense

semoga membantu