bookstack/resources/lang/en/entities.php

<?php
return [

    /**
     * Shared
     */
    'recently_created' => 'Recently Created',
    'recently_update' => 'Recently Updated',
    'recently_viewed' => 'Recently Viewed',
    'recent_activity' => 'Recent Activity',
    'create_now' => 'Create one now',
    'edit' => 'Edit',
    'sort' => 'Sort',
    'move' => 'Move',
    'delete' => 'Delete',
    'meta_created' => 'Created :timeLength',
    'meta_created_name' => 'Created :timeLength by :user',
    'meta_updated' => 'Updated :timeLength',
    'meta_updated_name' => 'Updated :timeLength by :user',
    'x_pages' => ':count Pages',

    /**
     * Permissions and restrictions
     */
    'permissions' => 'Permissions',
    'permissions_intro' => 'Once enabled, These permissions will take priority over any set role permissions.',
    'permissions_enable' => 'Enable Custom Permissions',
    'permissions_save' => 'Save Permissions',

    /**
     * Search
     */
    'search_results' => 'Search Results',
    'search_clear' => 'Clear Search',

    /**
     * Books
     */
    'books' => 'Books',
    'books_empty' => 'No books have been created',
    'books_popular' => 'Popular Books',
    'books_popular_empty' => 'The most popular books will appear here.',
    'books_create' => 'Create New Book',
    'books_delete' => 'Delete Book',
    'books_delete_explain' => 'This will delete the book with the name \':bookName\', All pages and chapters will be removed.',
    'books_delete_confirmation' => 'Are you sure you want to delete this book?',
    'books_edit' => 'Edit Book',
    'books_form_book_name' => 'Book Name',
    'books_save' => 'Save Book',
    'books_permissions' => 'Book Permissions',
    'books_empty_contents' => 'No pages or chapters have been created for this book.',
    'books_empty_create_page' => 'Create a new page',
    'books_empty_or' => 'or',
    'books_empty_sort_current_book' => 'Sort the current book',
    'books_empty_add_chapter' => 'Add a chapter',
    'books_permissions_active' => 'Book Permissions Active',
    'books_search_this' => 'Search this book',
    'books_navigation' => 'Book Navigation',

    /**
     * Chapters
     */
    'chapters_popular' => 'Popular Chapters',
    'chapters_new' => 'New Chapter',
    'chapters_create' => 'Create New Chapter',
    'chapters_delete' => 'Delete Chapter',
    'chapters_delete_explain' => 'This will delete the chapter with the name \':chapterName\', All pages will be removed
        and added directly to the parent book.',
    'chapters_delete_confirm' => 'Are you sure you want to delete this chapter?',
    'chapters_edit' => 'Edit Chapter',
    'chapters_save' => 'Save Chapter',
    'chapters_move' => 'Move Chapter',
    'chapters_permissions' => 'Chapter Permissions',
    'chapters_empty' => 'No pages are currently in this chapter.',
    'chapters_permissions_active' => 'Chapter Permissions Active',

    /**
     * Pages
     */
    'pages_popular' => 'Popular Pages',
    'pages_new' => 'New Page',
    'pages_attachments' => 'Attachments',
    'pages_navigation' => 'Page Navigation',
];