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Ligne

Ligne is a French noun meaning line, row, or queue, and it is used in a variety of contexts from geometry to transportation to typography. The word derives from Old French ligne, from Latin linea meaning thread or line.

In geometry, a line is a straight, one-dimensional figure that extends without end in both directions. It

As a graphic element, a line is a mark that connects two points and can vary in

In transportation, ligne denotes a route or service, such as a railway line (ligne de chemin de

In computing and data handling, a line can mean a line of text in a file, and

See also: Line (geometry), Line (text), Public transport line, Command line.

has
length
but
no
width.
In
Cartesian
coordinates,
a
line
can
be
described
by
a
linear
equation,
such
as
ax+by=c,
or
by
the
slope-intercept
form
y=mx+b.
A
line
is
determined
by
two
distinct
points;
the
segment
joining
them
is
a
line
segment.
direction,
length,
and
thickness.
In
typography
and
publishing,
ligne
can
refer
to
a
line
of
text;
in
broader
usage,
lines
structure
writing
and
drawing,
and
lines
of
poetry
or
music
are
described
as
lines
as
well.
fer)
or
a
metro
line
(ligne
de
métro).
Lines
are
typically
identified
by
numbers
or
names
to
distinguish
different
routes
within
a
network.
the
term
ligne
de
commande
refers
to
the
command
line
used
by
a
shell
or
terminal.