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<link:definition>3 - Schedule -  (Vanguard Large-Cap Index Fund Participant:)</link:definition>
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<link:definition>5 - Schedule -  (Vanguard Large-Cap Index Fund Signal)</link:definition>
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<link:definition>6 - Schedule -  (Vanguard Mid-Cap Index Fund ETF)</link:definition>
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<link:definition>7 - Schedule -  (Vanguard Mid-Cap Index Fund Institutional)</link:definition>
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<link:definition>8 - Schedule -  (Vanguard Mid-Cap Index Fund Participant)</link:definition>
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<link:definition>9 - Schedule -  (Vanguard Mid-Cap Index Fund Participant:)</link:definition>
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<link:definition>10 - Schedule -  (Vanguard Mid-Cap Index Fund Retail)</link:definition>
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<link:definition>11 - Schedule -  (Vanguard Mid-Cap Index Fund Signal)</link:definition>
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<link:definition>12 - Schedule -  (Vanguard Small-Cap Index Fund ETF)</link:definition>
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<link:definition>13 - Schedule -  (Vanguard Small-Cap Index Fund Institutional)</link:definition>
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<link:definition>14 - Schedule -  (Vanguard Small-Cap Index Fund Participant)</link:definition>
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<link:definition>15 - Schedule -  (Vanguard Small-Cap Index Fund Participant:)</link:definition>
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<link:definition>17 - Schedule -  (Vanguard Small-Cap Index Fund Signal)</link:definition>
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<link:definition>2108471 - Schedule - Annual Fund Operating Expenses  (Vanguard Small-Cap Index Fund Retail)</link:definition>
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<link:definition>2108474 - Schedule - Expense Example, No Redemption {Transposed} (Vanguard Small-Cap Index Fund Retail)</link:definition>
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<link:definition>2108522 - Schedule - Annual Fund Operating Expenses  (Vanguard Small-Cap Index Fund ETF)</link:definition>
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<link:definition>2108523 - Schedule - Expense Example, No Redemption {Transposed} (Vanguard Small-Cap Index Fund ETF)</link:definition>
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<link:definition>2108584 - Schedule - Annual Fund Operating Expenses  (Vanguard Small-Cap Index Fund Institutional)</link:definition>
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<link:definition>2108585 - Schedule - Expense Example, No Redemption {Transposed} (Vanguard Small-Cap Index Fund Institutional)</link:definition>
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<link:definition>2108606 - Schedule - Annual Fund Operating Expenses  (Vanguard Small-Cap Index Fund Participant)</link:definition>
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<link:definition>2108611 - Schedule - Annual Fund Operating Expenses  (Vanguard Small-Cap Index Fund Signal)</link:definition>
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<link:definition>2109347 - Schedule - Shareholder Fees (Vanguard Small-Cap Index Fund Retail)</link:definition>
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<link:definition>2109355 - Schedule - Shareholder Fees (Vanguard Small-Cap Index Fund Institutional)</link:definition>
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<link:definition>2109358 - Schedule - Shareholder Fees (Vanguard Small-Cap Index Fund Participant)</link:definition>
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<link:definition>2109361 - Schedule - Shareholder Fees (Vanguard Small-Cap Index Fund Signal)</link:definition>
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<link:definition>2109437 - Schedule - Shareholder Fees (Vanguard Small-Cap Index Fund ETF)</link:definition>
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<link:definition>2109529 - Schedule - Expense Example, No Redemption {Transposed} (Vanguard Small-Cap Index Fund Participant:)</link:definition>
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xbrli:periodType="duration"
substitutionGroup="xbrli:item"
type="us-types:domainItemType"
id="vanguard_ParticipantMember"
name="ParticipantMember"/>
<xs:element
nillable="true"
xbrli:periodType="duration"
substitutionGroup="xbrli:item"
type="us-types:domainItemType"
id="vanguard_Participant2Member"
name="Participant2Member"/>
<xs:element
nillable="true"
xbrli:periodType="duration"
substitutionGroup="xbrli:item"
type="us-types:domainItemType"
id="vanguard_RetailMember"
name="RetailMember"/>
<xs:element
nillable="true"
xbrli:periodType="duration"
substitutionGroup="xbrli:item"
type="us-types:domainItemType"
id="vanguard_SignalMember"
name="SignalMember"/>
<xs:element
type="xbrli:pureItemType"
id="vanguard_ETFConversionFee"
name="ETFConversionFee"
substitutionGroup="xbrli:item"
nillable="true"
xbrli:periodType="duration"/>
<xs:element
type="xbrli:pureItemType"
id="vanguard_TransactionFeeOnPurchases"
name="TransactionFeeOnPurchases"
substitutionGroup="xbrli:item"
nillable="true"
xbrli:periodType="duration"/>
<xs:element
type="xbrli:pureItemType"
id="vanguard_TransactionFeeOnReinvestedDividends"
name="TransactionFeeOnReinvestedDividends"
substitutionGroup="xbrli:item"
nillable="true"
xbrli:periodType="duration"/>
<xs:element
xbrli:periodType="duration"
nillable="true"
substitutionGroup="xbrli:item"
name="SupplementTextBlock"
id="vanguard_SupplementTextBlock"
type="us-types:textBlockItemType"/>
<xs:element
abstract="true"
xbrli:periodType="duration"
nillable="true"
substitutionGroup="xbrli:item"
name="SupplementAbstract"
id="vanguard_SupplementAbstract"
type="xbrli:stringItemType"/>
<xs:element
type="xbrli:stringItemType"
id="vanguard_RedemptionFeeParenthetical"
name="RedemptionFeeParenthetical"
substitutionGroup="xbrli:item"
nillable="true"
xbrli:periodType="duration"/>
<xs:element
xbrli:periodType="duration"
nillable="true"
substitutionGroup="xbrli:item"
name="PurchaseFeeParenthetical"
id="vanguard_PurchaseFeeParenthetical"
type="xbrli:stringItemType"/>
<xs:element
name="BasedOnMarketMember"
id="vanguard_BasedOnMarketMember"
type="us-types:domainItemType"
substitutionGroup="xbrli:item"
xbrli:periodType="duration"
nillable="true"/>
<xs:element
type="xbrli:stringItemType"
id="vanguard_ComparativeBenchmark"
name="ComparativeBenchmark"
substitutionGroup="xbrli:item"
nillable="true"
xbrli:periodType="duration"/>
<xs:element
xbrli:periodType="duration"
nillable="true"
substitutionGroup="xbrli:item"
name="AquiredFundFeesExpensesExcludingAFFE"
id="vanguard_AquiredFundFeesExpensesExcludingAFFE"
type="xbrli:pureItemType"/></xs:schema>
