# Define Basics

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