#marker__marking  a distinguishing symbol; "the owner's mark was on all the sheep"
  supertype:  #symbol  an arbitrary sign (written or printed) that has acquired a conventional significance
  subtype:  #earmark  identification mark on the ear of a domestic animal
  subtype:  #brand  identification mark on skin, made by burning
  subtype:  #trademark  a formally registered symbol identifying the manufacturer or distributor of a product
     subtype:  #logo__logotype  a company emblem or device
  subtype:  #assay-mark__assaymark__authentication__hallmark  a mark on an article of trade to indicate its origin and authenticity
  subtype:  #postmark  a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing
  subtype:  #watermark  a distinguishing mark impressed on paper during manufacture; visible when paper is held up to the light
  subtype:  #broad_arrow.marker  an arrowhead mark identifying British government property
  subtype:  #milepost__milestone  stone post at side of a road to show distances
  subtype:  #peg.marker  small markers inserted into a surface to mark scores or define locations etc.
  subtype:  #spot.marker__pip  a mark on a playing card (shape depending on the suit)
  subtype:  #label.marker  an identifying or descriptive marker that is attached to an object
     subtype:  #gummed_label__sticker  an adhesive label
        subtype:  #bookplate__ex_libris  a label identifying the owner of a book in which it is pasted
     subtype:  #tag  a label made of cardboard or plastic or metal
        subtype:  #dog_tag__dogtag  metal plate on a dog collar bearing its registration number
        subtype:  #dog_tag.tag__dogtag  military identification tag worn on a chain around the neck
        subtype:  #name_tag  a tag showing the name of the person who wears it
        subtype:  #price_tag__pricetag  a tag showing the price of the article it is attached to
  subtype:  #cairn  a mound of stones piled up as a memorial or to mark a boundary or path

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