> For the complete documentation index, see [llms.txt](https://developer.gravityfield.ai/lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.gravityfield.ai/lang/en/general-information.md).

# GENERAL INFORMATION

- [Affinity Profile and How It Works](https://developer.gravityfield.ai/lang/en/general-information/affinity-profile-and-how-it-works.md)
- [How to use regular expressions (RegEx)](https://developer.gravityfield.ai/lang/en/general-information/how-to-use-regular-expressions-regex.md)
- [Traffic Sources Identification](https://developer.gravityfield.ai/lang/en/general-information/traffic-sources-identification.md)
- [Targeting conditions definition and their applicability](https://developer.gravityfield.ai/lang/en/general-information/targeting-conditions-definition-and-their-applicability.md)
- [Comparison of Targeting Conditions in Audiences, Front-end, and API Campaigns](https://developer.gravityfield.ai/lang/en/general-information/comparison-of-targeting-conditions-in-audiences-front-end-and-api-campaigns.md)
- [Evaluators](https://developer.gravityfield.ai/lang/en/general-information/evaluators.md)
- [Social Proof](https://developer.gravityfield.ai/lang/en/general-information/social-proof.md)
- [What are Data Attributes](https://developer.gravityfield.ai/lang/en/general-information/what-are-data-attributes.md)
- [Technological Stack of Gravity Field](https://developer.gravityfield.ai/lang/en/general-information/technological-stack-of-gravity-field.md)