Size parameters' values are normally measured in pixels, but on text-only terminals they count characters or lines instead.
frame-pixel-height; see Size and Position.)
frame-pixel-width; see Size and Position.)
user-positionparameter (see above) does for the position parameters
fullwidthspecifies that width shall be as wide as possible. The value
fullheightspecifies that height shall be as tall as possible. The value
fullbothspecifies that both the width and the height shall be set to the size of the screen. The value
maximizedspecifies that the frame shall be maximized. The difference between
fullbothis that the former still has window manager decorations while the latter really covers the whole screen.