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A frame has many parameters that control its appearance and behavior. Just what parameters a frame has depends on what display mechanism it uses.
Frame parameters exist mostly for the sake of graphical displays.
Most frame parameters have no effect when applied to a frame on a text
terminal; only the height, width, name,
title, menu-bar-lines, buffer-list and
buffer-predicate parameters do something special. If the
terminal supports colors, the parameters foreground-color,
background-color, background-mode and
display-type are also meaningful. If the terminal supports
frame transparency, the parameter alpha is also meaningful.