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Level

Level is a term with several related meanings across different fields. At its core, it describes a horizontal plane or the state of being even or flat. It also names tools and methods used to establish or verify such a plane, most notably a spirit level, which contains a bubble in a liquid-filled vial that aligns with markings when the surface is true. Digital levels use electronic sensors to display an angle or degree of tilt.

In construction, design, and surveying, level refers both to the instrument and to a position in space,

Level also denotes stages or tiers in systems of organization or progression. In data and measurement, it

In gaming, software, and media, a level is a self-contained stage or environment with goals, challenges, and

As a verb, level commonly means to make flat or even (to level a surface) or to

Overall, level is a versatile concept spanning measurement, construction, computation, and entertainment.

such
as
ground
level,
eye
level,
or
first
level
(the
floor
of
a
building).
Levels
help
ensure
alignment,
drainage,
and
accessibility,
and
they
underpin
standard
practices
for
leveling
foundations,
walls,
and
installations.
appears
in
two
senses:
levels
of
measurement
(nominal,
ordinal,
interval,
ratio)
describe
how
data
are
categorized
and
quantified,
and
levels
of
access
or
privilege
control
user
permissions
in
software
and
networks.
rewards.
Level
design
concerns
the
structure
and
flow
of
these
stages,
while
level
progression
tracks
advancement
through
increasing
difficulty
or
narrative
steps.
bring
something
to
a
required
standard.
In
statistics,
the
significance
level
(alpha)
sets
the
threshold
for
testing
hypotheses.