# Core concept

- [Jet UI](/user-guide/core-concept/jet-ui.md): Learn how to easily navigate Jet Admin
- [App settings](/user-guide/core-concept/jet-ui/layouts-and-branding.md): Set up custom branding and configure the menu
- [Appearance Settings](/user-guide/core-concept/jet-ui/layouts-and-branding/appearance-settings.md): In this section you will learn about Appearance Settings
- [Adding Custom Fonts](/user-guide/core-concept/jet-ui/layouts-and-branding/adding-custom-fonts.md): Easily integrate custom fonts into Jet Admin using Global CSS by uploading font files, linking them, and applying them globally.
- [Theme & Styles](/user-guide/core-concept/jet-ui/layouts-and-branding/theme-and-styles.md): Build beautiful web apps with over 10+ ready-to-use themes, or fully customize any component by adjusting colors, fonts, layouts, states, and styles to perfectly match your brand’s identity.
- [Menu](/user-guide/core-concept/jet-ui/layouts-and-branding/menu.md)
- [App Info](/user-guide/core-concept/jet-ui/layouts-and-branding/app-info.md): In this section you will learn how to set up the app's name and service URLs
- [Custom Domain and Transactional Emails](/user-guide/core-concept/jet-ui/layouts-and-branding/custom-domain-and-transactional-emails.md): In this section you will learn about Custom Domain and Transactional Emails
- [Sign Up](/user-guide/core-concept/jet-ui/layouts-and-branding/sign-up.md): In this section you will learn about the sign-up page
- [Features](/user-guide/core-concept/jet-ui/layouts-and-branding/features.md): In this section you will learn about additional features
- [Custom Scripts & Styles](/user-guide/core-concept/jet-ui/layouts-and-branding/custom-scripts-and-styles.md): In this section you will learn about Custom Scripts and Styles
- [Intro to Data](/user-guide/core-concept/intro-to-data.md)
- [Navigation](/user-guide/core-concept/navigation.md): The different ways you can build and customize navigation in your apps
- [Menu Conditional Enabled](/user-guide/core-concept/menu-conditional-enabled.md)
- [Set Variable Action in Menu](/user-guide/core-concept/set-variable-action-in-menu.md)
- [Sharing your app](/user-guide/core-concept/sharing-your-app.md)
- [Invite by Email](/user-guide/core-concept/sharing-your-app/invite-by-email.md): In this section you will learn how to share your app inviting by Email
- [Invite by Link](/user-guide/core-concept/sharing-your-app/invite-by-link.md): In this section you will learn how to share your app inviting by Link
- [Creating a Public Page](/user-guide/core-concept/sharing-your-app/creating-a-public-page.md): In this section you will learn how to create and share a public page.