> For the complete documentation index, see [llms.txt](https://docs.abtasty.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.abtasty.com/adaptivecx/getting-started/core.md).
# Core
The Core section contains the fundamental building blocks of AdaptiveCX. Use these features to create predictions, define audiences, track events, and capture visitor affinities and attributes.
## What you'll find here
* **Predictions** - Create AI models that predict visitor behavior
* **Audiences** - Define segments of visitors based on criteria
* **Events** - Track specific visitor actions on your site
* **Affinities** - Capture visitor interests in categories, brands, and products
* **Attributes** - Store visitor characteristics and session data
## Recommended order
If you're new to AdaptiveCX, explore these features in order:
1. Events - Define what actions you want to track
2. Attributes - Understand available visitor characteristics
3. Affinities - Set up interest categories
4. Audiences - Create visitor segments
5. Predictions - Build predictive models
## Key concepts
#### Active vs suggested items
Many Core features show both active and suggested items:
* **Active** - Items you've created or confirmed
* **Suggested** - Items AdaptiveCX automatically detected from your data
Suggested items help you discover valuable events, audiences, and affinities you might have missed.
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