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.
In English, there are two articles: the is the definite article, and a is the indefinite article. Greek has only one article-since there are 24 forms for it, they couldn't afford a second one. The Greek article is definite, and it is often translated the, but it functions very differently from the English the.