extended control command A command which is issued by means of C-x followed by another control sequence or a simple command character.
file A named space where text is externally stored "permanently". Files may be edited by copying them to buffer's
kill ring An emacs storage structure where text can be placed for subsequent reference.
macro A sequence of emacs commands which are "chunked" for subsequent use as a side effect of emacs interaction.
mark A location in a buffer. Mark is set with the C-space command.
meta command A command which is issued by means of a meta key sequence. Two varieties of meta command are the single-key meta command and the named meta command.
meta key Key somtimes labelled Esc (escape) or F11 on the keyboard. Standard emacs symbol is M- (Upper case M, dash).
named meta key A command which is issued by typing M-x followed by the name of an emacs command.
point Location in buffer immediately to the left of the cursor.
region A subbuffer delimited by two buffer locations. Generally a region is defined relative to point and mark.
single-key control command A command issued by holding down the control key and typing a command character other than x.
single-key meta command A command issued by holding down the meta key and typing a command character other than x.
window A mechanism for viewing a buffer