What are the specialties of character type liquid crystal?

Character type liquid crystal can display 16x02 or 32 characters at the same time. It consists of several 5X7 or 5X11 and other dot matrix character bits, each dot matrix character bit can display a character, there is a point distance between each bit, and there is also a gap between each line, which plays the role of character spacing and line spacing, because of this, it can not display graphics well.