2. Particular sections or items of a series in a written document; such as, in a contract, constitution, or treaty.
3. A nonfictional literary composition that forms an independent part of a publication; such as, of a newspaper or magazine.
4. In grammar, the part of speech used to indicate nouns and to specify their application; any of the words belonging to this part of speech. In English, the indefinite articles are "a" and "an"; and the definite article is "the".
Their force is generally to impart specificity to the noun or to single out the referent from the class named by the noun.
5. A particular part or subject; a specific matter or point.6. Etymology: from about 1230, "separate parts of anything written", from Old French article, from Latin articulus, diminutive of artus "a joint".
The meaning was extended to "a small division", then generalized to "an item, a thing". Older senses were preserved in Articles of War or "military regulations" (1716) and Articles of Confederation (U.S. history).
The meaning of "literary composition in a journal, etc." (independent, but part of a larger work) was first recorded in 1712. The meaning of "pieces of property" (clothing, etc.) was first recorded in 1796.
When an item is purchased (or borrowed from a library), the tag is turned off.
When someone passes a gate area holding an item with a tag that hasn't been turned off, an alarm sounds.
EAS tags are embedded in the packaging of most pharmaceuticals. They can be RF-based, or acousto-magnetic.