Please explain the 2 d char array?

#1

char keypad[][5]={"","",“ABC”,“DEF”,“GHI”,“JKL”,“MNO”,“PQRS”,“TUV”,“WXYZ”};

#2

@namangarg31 we are using keypad number as indices of this char array.like number 2 has char “ABC” in keypad so here at i=2 index we have “ABC”.