SLIDESDOC-694 Improve article headers (.NET) to increase CTR (batch 3) (#840)

Corrected previous changes.
Updated the titles, keywords, and descriptions in 73 articles.

Author: andreypotapovaspose

en/net/developer-guide/presentation-content/_index.md

@@ -1,8 +1,27 @@
 ---
-title: Presentation Content
+title: Manage Presentation Content in .NET
 type: docs
 weight: 30
 url: /net/presentation-content/
+keywords:
+- content
+- BLOB
+- hyperlink
+- media
+- OLE
+- text
+- zoom
+- chart
+- equation
+- shape
+- ink
+- SmartArt
+- table
+- PowerPoint
+- OpenDocument
+- presentation
+- .NET
+- C#
+- Aspose.Slides
+description: "Create, edit, and extract presentation content with Aspose.Slides for .NET—get code examples for text, images, shapes, charts; PPT, PPTX and ODP."
 ---
-
-

en/net/developer-guide/presentation-content/powerpoint-charts/_index.md

@@ -1,8 +1,26 @@
 ---
-title: PowerPoint Charts - How to Create and Modify a Chart in C#
+title: Create and Customize PowerPoint Charts in .NET
 linktitle: PowerPoint Charts
 type: docs
 weight: 70
 url: /net/powerpoint-charts/
+keywords:
+- add chart
+- create chart
+- update chart
+- change chart
+- modify chart
+- customize chart
+- chart type
+- chart entities
+- format chart
+- chart workbook
+- animated chart
+- export chart
+- PowerPoint
+- presentation
+- .NET
+- C#
+- Aspose.Slides
+description: "Create and customize PowerPoint charts in C# with Aspose.Slides for .NET—work with data, styles, and chart types in PPT and PPTX using clear code examples."
 ---
-

en/net/developer-guide/presentation-content/powerpoint-charts/animated-charts/_index.md

@@ -19,7 +19,7 @@ keywords:
 - .NET
 - C#
 - Aspose.Slides
-description: "Create stunning animated charts in .NET with Aspose.Slides. Boost presentations with dynamic visuals in PPT, PPTX and ODP files—get started now."
+description: "Create stunning animated charts in .NET with Aspose.Slides. Boost presentations with dynamic visuals in PPT and PPTX files—get started now."
 ---
 
 Aspose.Slides for .NET supports animating the chart elements. **Series**, **Categories**, **Series Elements**, **Categories Elements** can be animated with [**ISequence**.**AddEffect** ](https://reference.aspose.com/slides/net/aspose.slides.animation/isequence/methods/addeffect)method and two enums [**EffectChartMajorGroupingType** ](https://reference.aspose.com/slides/net/aspose.slides.animation/effectchartmajorgroupingtype)and [**EffectChartMinorGroupingType**](https://reference.aspose.com/slides/net/aspose.slides.animation/effectchartminorgroupingtype).

en/net/developer-guide/presentation-content/powerpoint-charts/chart-calculations/_index.md

@@ -14,12 +14,11 @@ keywords:
 - chart values
 - actual value
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Understand chart calculations, data updates, and precision control in Aspose.Slides for .NET for PPT, PPTX and ODP, with practical C# code examples."
+description: "Understand chart calculations, data updates, and precision control in Aspose.Slides for .NET for PPT and PPTX, with practical C# code examples."
 ---
 
 ## **Calculate Actual Values of Chart Elements**

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/_index.md

@@ -16,10 +16,9 @@ keywords:
 - error bar
 - trend line
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Understand chart entities in Aspose.Slides for .NET and learn to manage series, categories, data points and axes in PowerPoint PPT, PPTX and ODP using C#."
+description: "Understand chart entities in Aspose.Slides for .NET and learn to manage series, categories, data points and axes in PowerPoint PPT and PPTX using C#."
 ---

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/callout/_index.md

@@ -8,10 +8,12 @@ keywords:
 - use callout
 - data label
 - label format
+- PowerPoint
+- presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Create and style callouts in Aspose.Slides for .NET with concise C# code examples, compatible with PPT, PPTX and ODP to automate presentation workflows."
+description: "Create and style callouts in Aspose.Slides for .NET with concise C# code examples, compatible with PPT and PPTX to automate presentation workflows."
 ---
 
 ## **Using Callouts**

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/chart-axis/_index.md

@@ -18,12 +18,11 @@ keywords:
 - axis title
 - axis position
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Discover how to use Aspose.Slides for .NET to customize chart axes in PowerPoint and OpenDocument presentations for reports and visualizations."
+description: "Discover how to use Aspose.Slides for .NET to customize chart axes in PowerPoint presentations for reports and visualizations."
 ---
 
 

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/chart-data-label/_index.md

@@ -11,12 +11,11 @@ keywords:
 - label distance
 - label location
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Learn to add and format chart data labels in PowerPoint and OpenDocument presentations using Aspose.Slides for .NET for more engaging slides."
+description: "Learn to add and format chart data labels in PowerPoint presentations using Aspose.Slides for .NET for more engaging slides."
 ---
 
 Data labels on a chart show details about the chart data series or individual data points. They allow readers to quickly identify data series and they also make charts easier to understand.

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/chart-data-marker/_index.md

@@ -11,12 +11,11 @@ keywords:
 - marker size
 - fill type
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Learn how to customize chart data markers in Aspose.Slides for .NET, boosting presentation impact across PPT, PPTX and ODP formats with clear C# code examples."
+description: "Learn how to customize chart data markers in Aspose.Slides for .NET, boosting presentation impact across PPT and PPTX formats with clear C# code examples."
 ---
 
 ## **Set Chart Marker Options**

en/net/developer-guide/presentation-content/powerpoint-charts/chart-entities/chart-data-table/_index.md

@@ -8,12 +8,11 @@ keywords:
 - data table
 - font properties
 - PowerPoint
-- OpenDocument
 - presentation
 - .NET
 - C#
 - Aspose.Slides
-description: "Customize chart data tables in .NET for PPT, PPTX and ODP with Aspose.Slides to boost efficiency and appeal in presentations."
+description: "Customize chart data tables in .NET for PPT and PPTX with Aspose.Slides to boost efficiency and appeal in presentations."
 ---
 
 ## **Set Font Properties for Chart Data Table**