caliber vs level

noun

Relative size, importance, magnitude.
A nominal name for a cartridge type, which may not exactly indicate its true size and may include other measurements such as cartridge length or black powder capacity. Eg 7.62×39 or 38.40.
The diameter of round or cylindrical body, as of a bullet, a projectile, or a column.
Diameter of the bore of a firearm, typically measured between opposite lands.
Capacity or compass of mind.
Unit of measure used to express the length of the bore of a weapon. The number of calibres is determined by dividing the length of the bore of the weapon, from the breech face of the tube to the muzzle, by the diameter of its bore. A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long.
Movement of a timepiece.

noun

Degree or amount.
A floor of a multi-storey building.
A school grade or year.
Distance from the root node of a tree structure.
A numeric value that quantifies a character, ability, or item's experience and power.
An area of almost perfectly flat land.
One of the specific values which may be taken by a categorical variable.
Achievement or qualification.
A distance relative to a given reference elevation.
A tool for finding whether a surface is level, or for creating a horizontal or vertical line of reference.
One of several discrete segments of a game, generally increasing in difficulty and representing different locations in the game world.

verb

To direct or impose (a penalty, fine, etc) at or upon (someone).
To make the score of a game equal.
To bring to a common level or plane, in respect of rank, condition, character, privilege, etc.
To adjust or adapt to a certain level.
To speak honestly and openly with.
To adjust so as to make as flat or perpendicular to the ground as possible.
To progress to the next level.
To aim or direct (a weapon, a stare, an accusation, etc).
To destroy by reducing to ground level; to raze.

adj