"lo" meaning in Interlingua

{
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "pronoun"
      },
      "expansion": "lo",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Interlingua entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Interlingua pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Tu lo audi? – Do you hear it?"
        }
      ],
      "glosses": [
        "it, that (direct object)"
      ],
      "id": "en-lo-ia-pron-L6TZknHz",
      "links": [
        [
          "it",
          "it"
        ],
        [
          "that",
          "that"
        ]
      ],
      "related": [
        {
          "word": "illo"
        }
      ]
    }
  ],
  "word": "lo"
}

{
  "head_templates": [
    {
      "args": {
        "1": "ia",
        "2": "pronoun"
      },
      "expansion": "lo",
      "name": "head"
    }
  ],
  "lang": "Interlingua",
  "lang_code": "ia",
  "pos": "pron",
  "related": [
    {
      "word": "illo"
    }
  ],
  "senses": [
    {
      "categories": [
        "Interlingua entries with incorrect language header",
        "Interlingua lemmas",
        "Interlingua pronouns"
      ],
      "examples": [
        {
          "text": "Tu lo audi? – Do you hear it?"
        }
      ],
      "glosses": [
        "it, that (direct object)"
      ],
      "links": [
        [
          "it",
          "it"
        ],
        [
          "that",
          "that"
        ]
      ]
    }
  ],
  "word": "lo"
}