$(2$ points$)$ Find$/$identify at least $1$ error in the given Level$-0$ DFD$,$

$(6$ points$)$ Find$/$identify at least $3$ critical errors in the given Level$-1$ DFD$,$

$(2$ points$)$ Find$/$identify at least $1$ critical error in the given Level$-2$ DFD$,$

based on the main rules as discussed in the lecture. Briefly $($in $1$ sentence$)$ describe each of these identified errors. please answer all questions