> For the complete documentation index, see [llms.txt](https://adamcysec.gitbook.io/csapp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://adamcysec.gitbook.io/csapp/web-app-walkthrough/homepage.md).

# Homepage

The homepage of the web app displays several widgets to get you familiar with the data set.

## Data Sample

<figure><img src="https://1931057820-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnoAFiyxd3ao9Vvwqj1Yr%2Fuploads%2F6gEbAasmZIBUquc2j8Es%2Fdata_sample.png?alt=media&amp;token=494c59c5-6cf2-40a2-9dad-013e1f6eec54" alt=""><figcaption></figcaption></figure>

The Data Sample widget displays 10 records from the data set. Use this widget to learn the field (column) names within the data set.

## Visualization

<figure><img src="https://1931057820-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnoAFiyxd3ao9Vvwqj1Yr%2Fuploads%2FfL1DN9o4l3cYQHOT7Cr0%2Fvisualization.png?alt=media&amp;token=2f4a7f65-7da0-4d78-b758-4c743c273120" alt=""><figcaption></figcaption></figure>

The Visualization widget will aggregate the data based on the selected numerical dimension. Use this widget to learn about the trends in the data set.

## Filters

<figure><img src="https://1931057820-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnoAFiyxd3ao9Vvwqj1Yr%2Fuploads%2FqVHVeh9TB40lL5zwVCMg%2FFilters.png?alt=media&amp;token=5090af61-1282-4a31-8b14-52f5b8880196" alt=""><figcaption></figcaption></figure>

The Filters widget will display records based on the given filter and value. Use this widget to explore the data set based on a quick filter. You have the option to download the displayed records in a separate CSV file.  &#x20;