Ojrsdv

int main(void) {
    printf("hi");         // cursor in this line.
    return 0;
}

// after press [o]

int main(void) {
    printf("hi");
                          // cursor in this new line.
    return 0;
}

//
// or, from the beginning, press [O]

int main(void) {
                          // cursor in this new line.
    printf("hi");
    return 0;
}

int main(void) {          // cursor in this line
    printf("hi");
    return 0;
}

// [4] [J] will return this

int main(void) { printf("hi"); return 0; }

This is wring.
          ^ move cursor here
            then press [r] [o]

This is wrong.

I love action movie.
       ^ move cursor here and press [R]
         type: sci-fi [Esc]

I love sci-fi movie. 

Something need to be changed.
^ cursor at the beginning of line.
  press [4] [s] then type: No [Esc]

Nothing need to be changed.

Bangkok is great city.
           ^ move cursor here
             press [c] [w], type: flooded [Esc]

Bangkok is flooded city.

Nothing can take you far away from me.
                     ^ cursor here
                       press [d] [3] [w]

Nothing can take you me.

With great power comes great responsibility.
     ^ cursor here press [v]

With great power comes great responsibility.
     -----------^ move cursor here
                  press [s]
                  type: ultimate question [Esc]

With ultimate question comes great responsibility.
                     ^ cursor here

With ultimate question comes great responsibility.
                                   ^ move here and press [v]

With ultimate question comes great responsibility.
                                   --------------^
                                    press [c]
                                    type: nonsensicality [Esc]

With ultimate question comes great nonsensicality.

Campbell
^ cursor here
  press [y] [w]

Campbell
       ^ move cursor here
         press [2] [p]

CampbellCampbellCampbell