"through-line" meaning in English

{
  "forms": [
    {
      "form": "through-lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "through-line (plural through-lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "throughline"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019 August 14, A. A. Dowd, “Good Boys Puts a Tween Spin on the R-rated Teen Comedy, to Mostly Funny Effect”, in The A.V. Club, archived from the original on 2021-03-04",
          "text": "Produced by none other than Seth Rogen and Evan Goldberg, Good Boys again most closely resembles a kind of junior-varsity tryout for that duo's Superbad, down to its modestly affecting emotional through-line: an acceptance of the fact that childhood friendships, forged out of proximity and convenience, aren't always destined to last.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of throughline"
      ],
      "id": "en-through-line-en-noun-DTUZz17k",
      "links": [
        [
          "throughline",
          "throughline#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "through-line"
}

{
  "forms": [
    {
      "form": "through-lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "through-line (plural through-lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "throughline"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2019 August 14, A. A. Dowd, “Good Boys Puts a Tween Spin on the R-rated Teen Comedy, to Mostly Funny Effect”, in The A.V. Club, archived from the original on 2021-03-04",
          "text": "Produced by none other than Seth Rogen and Evan Goldberg, Good Boys again most closely resembles a kind of junior-varsity tryout for that duo's Superbad, down to its modestly affecting emotional through-line: an acceptance of the fact that childhood friendships, forged out of proximity and convenience, aren't always destined to last.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of throughline"
      ],
      "links": [
        [
          "throughline",
          "throughline#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "through-line"
}