Desktop (p. 4-5) A new dynamic user interface in Leopard that includes a transparent look and feel with design themes and a reflective floor for the Dock.

Sidebar (p. 16, 86-87) Access everything on your computer and shared computers (Mac or PC) within category groups from an improved iTunes inspired sidebar. You can also access Spotlight prebuilt and custom search results.

Stacks (p. 19) A stack is a folder on the Dock. Create stacks of documents, applications, and folders on your desktop for easy access and to reduce the clutter.

Quick Look (p. 17, 38, 276) View the contents of a file without opening it. You can view single or multipage documents and play videos.

Spaces (p. 21, 93) Use spaces to group and arrange windows to reduce desktop clutter and organize materials into unique spaces. You can quickly view and select the Space you want or toggle between them.

Cover Flow (p. 30, 36) Flip through files as a large preview of its first page; you can page through multipage documents or play movies. You can also display search results in an easy-to-read format.

Spotlight (p. 57) Search for more specific sets of things using boolean logic, such as “AND,” “OR,” or “NOT.” You can also search for exact phrases using quotations, dates, ranges, and simple calculations.

Parental Controls (p. 94, 391-393) You can manage, monitor, and control the time your children spend on the Mac, the applications they used, the sites they visit, and the people they chat with from any Mac on your network.

Widget in sync (p. 157) With an .iMac account, you can use Dashboard syncing to automatically update all the widgets on all your Macs.

Movie widget (p. 158-159) Find movies and showtimes, watch movie trailers in Dashboard, and buy tickets.

Dashboard widget (p. 162) Create a dashboard widget from any Web site. In Safari, you can use the Web Clip icon to turn part of a Web page into a widget.

Photo Booth (p. 329-331) Use iSight or USB camera to take up to four successive snapshots or create videos with fun effects and backdrops. You can use the photos in iChat, attach them to e-mail in Mail, or put them in your iPhoto library.

DVD Player (p. 333) With the new full-screen interface and Image Bar, you can quickly access playback controls, subtitles, and audio tracks, change the screen view and scale, and browse DVD content. You can also create video snippets from any DVD and set key points you can view again later.

QuickTime Player 7 (p. 334-335) QuickTime delivers several performance enhancements, including live resize, zero-configuration streaming, surround sound in up to 24 channels, full screen playback, additional keyboard shortcuts to mirror Final Cut Pro, improved A/V controls, and updated closed captioning, timecode or frame count display, and a QuickTime Content Guide.

Front Row (p. 337-339) Play digital music, DVDs, movies, TV shows, and photos on your Mac using the ultra-simple Apple Remote just like Apple TV.

Mac control (p. 416-417) With Sidebar, you can view and access a shared Mac on your network and control it with permission of the owner.

Back to My Mac (p. 420-423) Along with an .iMac account, you can connect to any of your Macs from any Mac on the Internet.

Boot Camp (p. 465-475) Lets you use 32-bit versions of Microsoft Windows XP and Windows Vista on your Mac. The Boot Camp Setup Assistant creates a Windows partition on your hard disk and helps you install the Windows software. When you run a Windows program, Boot Camp provides full access to Windows drivers, Mac hardware, and network connectivity.

Time Machine (p. 477-490) A backup feature that keeps an up-to-date copy of everything on your Mac. You can use the Time Machine browser to search for files and folders by name, file type or specific date, and then restore the ones you want, or your entire computer. With a hard disk attached to your AirPort Extreme Base Station, you can back up all the connected Macs wirelessly.

Automator (p. 492-493, 495, 501-503) The new record function allows you to automate tasks you can to replay again later. You can play back the task at any time and edit the recorded steps to refine the automation. Automator also provides a series of starting points, such as working with files and folders, you can use to quickly create a workflow.

VoiceOver (p. 122-127) Alex is a new synthesized English voice that uses advanced Apple synthesis to deliver a more natural speaking voice at a faster rate.

Braille (p. 122-127) VoiceOver supports Braille and note-takers. VoiceOver can translate output into standard, Grade 2 contracted Braille for use in supported devices.

Keyboard help (p. 122-127 In VoiceOver, you can press any key to hear its name as well as the name of the VoiceOver command.

Hot spots (p. 122-127) In VoiceOver, you can create a hot spot to monitor an object or area in an accessible window and get notification when something changes.

Navigate objects (p. 122-127) In VoiceOver, you can navigate sequentially through a document or application or skip through by object.

Customize VoiceOver (p. 122-127) Set VoiceOver preferences to customize options for audio output.

Search in VoiceOver (p. 122-127) In VoiceOver, you can perform smart searches for objects and text in the current window.

Accessible applications (p. 122-123) Accessible applications automatically speak text. For example, iChat speaks new text messages as they arrive.

VoiceOver in sync (p. 122-123) With an .iMac account, you can use VoiceOver syncing to automatically update your VoiceOver preferences on all your Macs.

Closed-captioned Mac QuickTime 7.2 provides CEA-608 closed captioning text support.

Set up Mail account (p. 258) Set up a new Mail account in one step with your e-mail address and password.

Personalized stationery (p. 268) Send e-mail using more than 30 professionally designed stationery templates or a customize one. The template designs use layouts, fonts, colors, and photo placement to create a consistent look.

Added rich text formatting (p. 269) Create e-mail messages with richer formatting, including bulleted and numbered lists, indentations, and background colors.

Reminder notes (p. 271) E-mail reminder notes to yourself and group them into folders or create Smart Mailboxes that group them for you. The notes can include graphics, text, and attachments, and you can retrieve them from any Mac or PC.

To-Do list (p. 271) You can create a to-do list item from highlighted text in an e-mail. Each to-do list item creates a link to the original e-mail and appears in iCal, and allows you to set a due date, set an alarm, and assign priorities.

Archive mailbox (p. 281) Use the new Archive command to back up your mailbox.

Spotlight search (p. 283) Use spotlight in Mail to find the e-mails, to-dos, and notes you’re looking for using an improved relevance ranking system.

RSS feed (p. 288) Subscribe to an RSS feed in Mail and have new articles e-mailed to you. You can use Smart Mailboxes to organize incoming articles according to your requirements. Mail shares its unread RSS count with Safari to make sure the feed stays in sync.

Detected data (p. 288) Mail tries to recognize different types of data, such as an address or a date, so you can effectively manage and use it, such as map directions on the Web or create an appointment in iCal.

AIM (p. 290-291) iChat works with AIM, the largest instant messaging community in the USA. You can use either AIM or .Mac users.

Multiple logins (p. 290-291) Use multiple accounts with iChat; switch between accounts or use them separately.

Invisibility (p. 294) An online status where others can’t see you’re online, but you can see the status of others in your buddy list.

Animated buddy icons (p. 297) Use an animated gif picture as your buddy picture. You can also use Photo Booth to create your own animated pictures.

Photo Booth effects (p. 297, 306) Apply Photo Booth effects to video chats.

Custom buddy list order (p. 299) Move a buddy to another group or move a groups to a new position.

Space-efficient views (p. 299) Use the View menu to choose options for viewing your buddy list. You can sort your buddy list by name or availability, display buddy names by full names, short names or handles, show your buddy list including buddies not currently online.

Tabbed chats (p. 300-301) Collect multiple chats going on at the same time into a single tabbed window.

File transfer manager (p. 303) You can send or receive files from your buddies. The File Transfers manager displays a list of transferred files and status for current file transfers.

Backdrops (p. 306-307) Apply an Apple-designed backdrop or one you create to your video chats.

Remote display (p. 306-307) Display a remote photo slideshow, keynote presentation, or movie along with a video feed without being there.

Save a chat (p. 307) Save an audio and video chat with iChat recording. iChat stores audio chats as AAC files and video chats as MPEG-4 files, so you can play them in iTunes or QuickTime, and sync them to your iPods.

SMS forwarding (p. 308) Send a SMS (Short Message Service) text message to a mobile phone.

Clear audio iChat uses ACC-LD audio codec to play crystal clear sound dying audio chats.

New look (p. 366) iCal uses a new look user interface and iTunes style-style sidebar to make it easier to use.

Inline inspector window (p. 370-371) You can add or change events directly on the event in iCal.

Drop box (p. 370) You can add documents, pictures, and other files to an event drop box to share the information with attendees.

CalDAV (p. 372-373) iCal supports the CalDAV server for group caldendaring. You can view attendees’ availability before you schedule a meeting or use the Auto Pick feature to help you find the best meeting time for everyone. In addition, you can reserve and manage meeting rooms and equipment.

Browse securely (p. 230) The private browsing feature in Safari protects your personal information when you browse the Web on a shared or public Mac. The information about where you visit and what you enter is not saved or cached for others to access. It’s as if you never used Safari. While you’re browsing, Safari uses strong 128-bit encryption when accessing secure sites to protect your identity, information, and data.

Tabbed browsing (p. 232-233, 237) Safari creates separate tabs for each Web page, so you can view multiple Web sites in a single window. You can bookmark a set of tabs for easy access in the future or revert to the tabs that were open the last time you used Safari.

Find inline (p. 242) Search for a word in the Find banner to display the found count and highlight matching terms on the page.

Inline PDF control (p. 244) The inline PDF control allows you to zoom in and out of a PDF document, save a PDF file, or open a PDF in Preview from your browser window.

Resize text field (p. 242) You can resize text fields on any Web page by dragging the corner of the field to make more room for text and reflow the Web page.