"return path" meaning in English

{
  "forms": [
    {
      "form": "return paths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "return path (plural return paths)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electricity",
          "orig": "en:Electricity",
          "parents": [
            "Electromagnetism",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 136:",
          "text": "The inner, or negative, rail is also known as the 'current return' rail, because electrical current needs a circuit - a return path to earth, in other words.",
          "type": "quote"
        },
        {
          "ref": "2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, pages 30-31:",
          "text": "One rail (known as the traction return rail) is not broken into [track circuit] sections as it provides the return path for the current.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The route by which a current or signal returns to its source, or to earth."
      ],
      "id": "en-return_path-en-noun-6PLO2dc0",
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "route",
          "route"
        ],
        [
          "current",
          "current"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "earth",
          "earth"
        ]
      ],
      "raw_glosses": [
        "(electricity) The route by which a current or signal returns to its source, or to earth."
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "return path"
}

{
  "forms": [
    {
      "form": "return paths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "return path (plural return paths)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Electricity"
      ],
      "examples": [
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 136:",
          "text": "The inner, or negative, rail is also known as the 'current return' rail, because electrical current needs a circuit - a return path to earth, in other words.",
          "type": "quote"
        },
        {
          "ref": "2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, pages 30-31:",
          "text": "One rail (known as the traction return rail) is not broken into [track circuit] sections as it provides the return path for the current.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The route by which a current or signal returns to its source, or to earth."
      ],
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "route",
          "route"
        ],
        [
          "current",
          "current"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "earth",
          "earth"
        ]
      ],
      "raw_glosses": [
        "(electricity) The route by which a current or signal returns to its source, or to earth."
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "return path"
}