About Dictate. Summon the About window.
Check for Updates. Communicate over the Internet with Nuance to see whether your version of Dragon Dictate is the most recent. If a newer version is available, you will be offered a chance to download and install it. Dragon Dictate can also optionally check for updates automatically as it starts up; to control whether it does this, use the checkbox in the General Preferences pane.
Preferences. Summon the Preferences window.
Services. Displays the OS X services currently available. This is a contextual menu item that whose functionality depends on what you're doing in Dragon Dictate at the time.
Hide Dictate. Hides Dragon Dictate and brings other open applications to the forefront.
Hide Others. Hides all applications other than Dragon Dictate.
Show All. If other applications have been hidden, Show All allows you to show them again. This command is grayed-out otherwise.
Quit Dictate. Exits Dragon Dictate.