# General

- [Editing themes](/eclipse/general/editing-themes.md): Learn how to use the Shopify theme editor for customizing your online store templates, sections, and styles.
- [Dynamic content with metafields](/eclipse/general/editing-themes/dynamic-content-with-metafields.md)
- [Edit default theme content](/eclipse/general/editing-themes/edit-default-theme-content.md): Learn how to use Shopify's default theme content editor to change the wording of your online store, such as shipping and taxes messages, footer text, and button labels.
- [Multiple languages](/eclipse/general/editing-themes/multiple-languages.md): Learn how to sell in multiple languages and translate your Shopify online store, and enable the language and country selector in the Eclipse theme.
- [Unique content for markets](/eclipse/general/editing-themes/unique-content-for-markets.md): Learn how to create custom content for specific markets using Shopify's Contexts in the theme editor. Watch a tutorial video to show international customers unique promotions and shipping details.
- [Customizing your site](/eclipse/general/editing-themes/customizing-your-site.md)
- [H1 heading tags](/eclipse/general/editing-themes/h1-heading-tags.md)
- [Image guide](/eclipse/general/image-guide.md): Learn how to optimize images for your Shopify online store using your theme. Find tips for great product and editorial photography, file sizes and dimensions, and image customization.
- [Web ready photography](/eclipse/general/image-guide/web-ready-photography.md)
- [Image sizes](/eclipse/general/image-guide/image-sizes.md)
- [File formats](/eclipse/general/image-guide/file-formats.md)
- [Theme image settings](/eclipse/general/image-guide/theme-image-settings.md)
- [SEO for Shopify](/eclipse/general/improve-seo.md)
- [Online store speed](/eclipse/general/online-store-speed.md)
- [Accessibility](/eclipse/general/accessibility.md)