> For the complete documentation index, see [llms.txt](https://mobidonia.gitbook.io/mresto/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mobidonia.gitbook.io/mresto/define-basics.md).

# Define Basics

- [Database](https://mobidonia.gitbook.io/mresto/define-basics/database.md)
- [Mail server](https://mobidonia.gitbook.io/mresto/define-basics/obtain-smtp.md)
- [Localization and Time format](https://mobidonia.gitbook.io/mresto/define-basics/localization.md)
- [Pricing Plans](https://mobidonia.gitbook.io/mresto/define-basics/pricingplans.md)
- [Payments](https://mobidonia.gitbook.io/mresto/define-basics/payments.md)
- [Stripe Gateway](https://mobidonia.gitbook.io/mresto/define-basics/stripe-gateway.md)
- [Paystack Gateway](https://mobidonia.gitbook.io/mresto/define-basics/paystack-gateway.md)
- [Google API](https://mobidonia.gitbook.io/mresto/define-basics/google-api.md): How to get Google Maps, Places and Geo location API keys
- [Google Analytics](https://mobidonia.gitbook.io/mresto/define-basics/google-analytics.md): Enable tracks and reports website traffic
- [Google authentication](https://mobidonia.gitbook.io/mresto/define-basics/google-authentication.md): How to enable Google login
- [Facebook authentication](https://mobidonia.gitbook.io/mresto/define-basics/facebook.md): How to enable Google login
- [One Signal push notifications](https://mobidonia.gitbook.io/mresto/define-basics/one-signal-push-notifications.md)
- [Twilio SMS notifications](https://mobidonia.gitbook.io/mresto/define-basics/twilio-sms-notifications.md)