"tag on" meaning in English

{
  "antonyms": [
    {
      "word": "tag off"
    }
  ],
  "forms": [
    {
      "form": "tags on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "tagging on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "tagged on",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "tagged on",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tag on (third-person singular simple present tags on, present participle tagging on, simple past and past participle tagged on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs with particle (on)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2003, Daniel Fleishman, United States. Federal Transit Administration, National Research Council (U.S.). Transportation Research Board, Fare policies, structures and technologies: update, page 39",
          "text": "Contactless smart card readers can be mounted at each door of an LRT car, allowing a rider to “tag on” and “tag off” on boarding and alighting the vehicle."
        },
        {
          "ref": "2006, Mike McDonald, Intelligent transport systems in Europe, page 40",
          "text": "Tag-on/tag-off on bus services with variable fares and transfer rebates have worked very well in Singapore.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To hover an RFID device such as a smartcard over a receiver, often with a graphical user interface, in order to make a payment or gain access to the vehicle."
      ],
      "id": "en-tag_on-en-verb-OH2r28CC",
      "links": [
        [
          "hover",
          "hover"
        ],
        [
          "RFID",
          "RFID"
        ],
        [
          "smartcard",
          "smartcard"
        ],
        [
          "receiver",
          "receiver"
        ],
        [
          "graphical user interface",
          "graphical user interface"
        ]
      ],
      "qualifier": "chiefly public transport",
      "raw_glosses": [
        "(chiefly public transport) To hover an RFID device such as a smartcard over a receiver, often with a graphical user interface, in order to make a payment or gain access to the vehicle."
      ],
      "synonyms": [
        {
          "word": "swipe"
        },
        {
          "word": "flash"
        },
        {
          "word": "tag"
        },
        {
          "word": "touch in"
        }
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "smartcard",
          "word": "pasar"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "smartcard",
          "word": "bipear"
        }
      ]
    }
  ],
  "word": "tag on"
}

{
  "antonyms": [
    {
      "word": "tag off"
    }
  ],
  "forms": [
    {
      "form": "tags on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "tagging on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "tagged on",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "tagged on",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tag on (third-person singular simple present tags on, present participle tagging on, simple past and past participle tagged on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (on)",
        "English terms with quotations",
        "English verbs",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2003, Daniel Fleishman, United States. Federal Transit Administration, National Research Council (U.S.). Transportation Research Board, Fare policies, structures and technologies: update, page 39",
          "text": "Contactless smart card readers can be mounted at each door of an LRT car, allowing a rider to “tag on” and “tag off” on boarding and alighting the vehicle."
        },
        {
          "ref": "2006, Mike McDonald, Intelligent transport systems in Europe, page 40",
          "text": "Tag-on/tag-off on bus services with variable fares and transfer rebates have worked very well in Singapore.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To hover an RFID device such as a smartcard over a receiver, often with a graphical user interface, in order to make a payment or gain access to the vehicle."
      ],
      "links": [
        [
          "hover",
          "hover"
        ],
        [
          "RFID",
          "RFID"
        ],
        [
          "smartcard",
          "smartcard"
        ],
        [
          "receiver",
          "receiver"
        ],
        [
          "graphical user interface",
          "graphical user interface"
        ]
      ],
      "qualifier": "chiefly public transport",
      "raw_glosses": [
        "(chiefly public transport) To hover an RFID device such as a smartcard over a receiver, often with a graphical user interface, in order to make a payment or gain access to the vehicle."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "swipe"
    },
    {
      "word": "flash"
    },
    {
      "word": "tag"
    },
    {
      "word": "touch in"
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "smartcard",
      "word": "pasar"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "smartcard",
      "word": "bipear"
    }
  ],
  "word": "tag on"
}