article vs where it’s at

article

noun
  • A section of a legal document, bylaws, etc. or, in the plural, the entire document seen as a collection of these. 

  • A piece of nonfictional writing such as a story, report, opinion piece, or entry in a newspaper, magazine, journal, dictionary, encyclopedia, etc. 

  • A genuine article. 

  • A part or segment of something joined to other parts, or, in combination, forming a structured set. 

  • An object, a member of a group or class. 

  • A part of speech that indicates, specifies and limits a noun (a, an, or the in English). In some languages the article may appear as an ending (e.g. definite article in Swedish) or there may be none (e.g. Russian, Pashto). 

verb
  • To bind by articles of apprenticeship. 

  • To formulate in articles; to set forth in distinct particulars. 

where it’s at

How often have the words article and where it’s at occurred in a corpus of books? (source: Google Ngram Viewer )