 Other improvements on the VT52 included a 132 column mode, and a variety of "graphic renditions" including blinking, bolding, reverse video, and underlining.The VT100 also introduced an additional box-drawing character set containing various pseudographics that allowed the drawing of on-screen forms.All setup of the VT100 was accomplished using interactive displays presented on the screen; the setup data was stored in non-volatile memory within the terminal.