The lightsaber, sometimes referred to as a laser sword, is a weapon used by the Jedi, the Sith, and other Force-sensitives. Lightsabers consist of a plasma blade, powered by a kyber crystal, that is emitted from a usually metal hilt and can be shut off at will.
An article (abbreviated ART) is a word (or prefix or suffix) that is used with a noun to indicate the type of reference being made by the noun.
Definition: The indefinite article is just the opposite of the definite article. In English, the indefinite articles are a, an, some, any.. They are indefinite because they do not refer to a particular thing as the does, but simply refer to an object or person in a non-specific way, that is, we do not specify exactly to which person or object we are referring to. For example: