update page description

Author: Mark-Dynamsoft

programming/cplusplus/api-reference/aztec-details.md

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 layout: default-layout
 title: CAztecDetails Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CAztecDetails class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CAztecDetails class in Dynamsoft Barcode Reader C++ Edition, which stores the row count, column count, and layer number of a decoded Aztec barcode.
 keywords: rows, columns, layerNumber, CAztecDetails, api reference
 ---
 # CAztecDetails

programming/cplusplus/api-reference/barcode-details.md

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 layout: default-layout
 title: CBarcodeDetails Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CBarcodeDetails class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CBarcodeDetails abstract base class in Dynamsoft Barcode Reader C++ Edition, which is the parent class for all barcode-format-specific detail classes.
 keywords: CBarcodeDetails, api reference
 ---
 # CBarcodeDetails

programming/cplusplus/api-reference/barcode-reader-module.md

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 layout: default-layout
 title: CBarcodeReaderModule Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows the C++ edition of the class CBarcodeReaderModule in Barcode Reader Module.
+description: API reference for the CBarcodeReaderModule class in Dynamsoft Barcode Reader C++ Edition, providing module-level utilities such as version retrieval and factory methods for barcode elements.
 keywords: barcode reader module, c++
 needAutoGenerateSidebar: true
 needGenerateH3Content: true

programming/cplusplus/api-reference/barcode-result-item.md

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 layout: default-layout
 title: CBarcodeResultItem Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CBarcodeResultItem class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CBarcodeResultItem class in Dynamsoft Barcode Reader C++ Edition, representing a single decoded barcode with methods to retrieve format, text, location, confidence, and module size.
 keywords: GetFormat, GetText, GetLocation, GetConfidence, GetModuleSize, CBarcodeResultItem, api reference
 ---
 

programming/cplusplus/api-reference/candidate-barcode-zone.md

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 layout: default-layout
 title: CCandidateBarcodeZone Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CCandidateBarcodeZone class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CCandidateBarcodeZone class in Dynamsoft Barcode Reader C++ Edition, representing a candidate barcode region with location and possible format information.
 keywords: GetLocation, SetLocation, GetPossibleFormats, SetPossibleFormats, CCandidateBarcodeZone, api reference
 ---
 # CCandidateBarcodeZone Class

programming/cplusplus/api-reference/candidate-barcode-zones-unit.md

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 ---
 layout: default-layout
 title: CCandidateBarcodeZonesUnit Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CCandidateBarcodeZonesUnit class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CCandidateBarcodeZonesUnit class in Dynamsoft Barcode Reader C++ Edition, an intermediate result unit that holds a collection of candidate barcode zones detected during processing.
 keywords: GetCount, GetCandidateBarcodeZone, AddCandidateBarcodeZone, RemoveAllCandidateBarcodeZones, RemoveCandidateBarcodeZone, SetCandidateBarcodeZone, CCandidateBarcodeZonesUnit, api reference
 ---
 # CCandidateBarcodeZonesUnit Class

programming/cplusplus/api-reference/complemented-barcode-image-unit.md

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 ---
 layout: default-layout
 title: CComplementedBarcodeImageUnit Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CComplementedBarcodeImageUnit class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CComplementedBarcodeImageUnit class in Dynamsoft Barcode Reader C++ Edition, an intermediate result unit containing the complemented image data and location of a barcode.
 keywords: GetImageData, GetLocation, SetLocation, CComplementedBarcodeImageUnit, api reference
 ---
 # CComplementedBarcodeImageUnit Class

programming/cplusplus/api-reference/datamatrix-details.md

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 layout: default-layout
 title: CDataMatrixDetails Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CDataMatrixDetails class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CDataMatrixDetails class in Dynamsoft Barcode Reader C++ Edition, storing the row count, column count, data region dimensions, and region number of a decoded DataMatrix barcode.
 keywords: rows, columns, CDataMatrixDetails, api reference
 ---
 # CDataMatrixDetails

programming/cplusplus/api-reference/decoded-barcode-element.md

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 ---
 layout: default-layout
 title: CDecodedBarcodeElement Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CDecodedBarcodeElement class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CDecodedBarcodeElement class in Dynamsoft Barcode Reader C++ Edition, an intermediate result element providing format, text, raw bytes, angle, confidence, DPM flag, and ECI segment data for a decoded barcode.
 keywords: GetFormat, GetText, GetBytes, GetAngle, GetConfidence, IsDPM, CDecodedBarcodeElement, api reference
 ---
 # CDecodedBarcodeElement Class

programming/cplusplus/api-reference/decoded-barcodes-result.md

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 ---
 layout: default-layout
 title: CDecodedBarcodesResult Class - Dynamsoft Barcode Reader C++ Edition API Reference
-description: This page shows CDecodedBarcodesResult class definition of Dynamsoft Barcode Reader SDK C++ Edition.
+description: API reference for the CDecodedBarcodesResult class in Dynamsoft Barcode Reader C++ Edition, which aggregates all decoded barcode items from a single capture, along with source image hash, error code, and error message.
 keywords: GetOriginalImageHashId, GetItemsCount, GetErrorCode, CDecodedBarcodesResult, api reference
 ---
 # CDecodedBarcodesResult Class