Thanks very much for all the helpful pointers.
This is the output I got from aptitude search unity:
p banshee-community-extensions - set of community contributed extensions
fo
p community-themes - desktop artwork by the Ubuntu community
p edgy-community-wallpapers - Edgy Community Wallpapers
i A gir1.2-unity-5.0 - GObject introspection data for the
Unity l
p gir1.2-unity-5.0:i386 - GObject introspection data for the
Unity l
p libunity-2d-private-dev - Unity 2D shared library - development
file
p libunity-2d-private-dev:i386 - Unity 2D shared library - development
file
i A libunity-2d-private0 - Unity 2D shared library
p libunity-2d-private0:i386 - Unity 2D shared library
i A libunity-core-5.0-5 - Core library for the Unity interface.
p libunity-core-5.0-5:i386 - Core library for the Unity interface.
p libunity-core-5.0-dev - Core library for the Unity interface -
dev
p libunity-core-5.0-dev:i386 - Core library for the Unity interface -
dev
p libunity-dev - binding to get places into the launcher
-
p libunity-dev:i386 - binding to get places into the launcher
-
p libunity-misc-dev - Miscellaneous functions for Unity -
develo
p libunity-misc-dev:i386 - Miscellaneous functions for Unity -
develo
p libunity-misc-doc - Miscellaneous functions for Unity -
docume
i A libunity-misc4 - Miscellaneous functions for Unity -
shared
p libunity-misc4:i386 - Miscellaneous functions for Unity -
shared
i A libunity9 - binding to get places into the launcher
-
p libunity9:i386 - binding to get places into the launcher
-
i myunity - Unity configurator
p python-unity-singlet - Python library for quickly building
simple
p quickly-unity-lens-template - Quickly template for building simple
Unity
p tryton-modules-sale-opportunity - Tryton Application Platform (Sale
Opportun
i unity - Interface designed for efficiency of
space
p unity:i386 - Interface designed for efficiency of
space
pB unity-2d - Unity interface for non-accelerated
graphi
i A unity-2d-common - Common files for Unity 2D Shell
p unity-2d-dbg - Debugging symbols for unity-2d
p unity-2d-dbg:i386 - Debugging symbols for unity-2d
p unity-2d-launcher - Transitional package for
unity-2d-launcher
i A unity-2d-panel - Unity 2D Panel
p unity-2d-panel:i386 - Unity 2D Panel
p unity-2d-places - Transitional package for
unity-2d-places
p unity-2d-shell - Dash and Launcher for the Unity 2D
environ
p unity-2d-shell:i386 - Dash and Launcher for the Unity 2D
environ
p unity-2d-spread - Unity 2D Spread
p unity-2d-spread:i386 - Unity 2D Spread
i A unity-asset-pool - Unity Assets Pool
i A unity-common - Common files for the Unity interface.
p unity-greeter - Unity Greeter
p unity-greeter:i386 - Unity Greeter
v unity-icon-theme -
i A unity-lens-applications - Application lens for unity
p unity-lens-applications:i386 - Application lens for unity
i A unity-lens-files - File lens for unity
p unity-lens-files:i386 - File lens for unity
p unity-lens-gwibber - Gwibber Lens for unity
p unity-lens-gwibber:i386 - Gwibber Lens for unity
i A unity-lens-music - Music lens for unity
p unity-lens-music:i386 - Music lens for unity
i A unity-lens-video - Unity Video lens
p unity-mail - Mail notifications and count for Unity
p unity-place-applications - transitional package
p unity-place-files - transitional package
p unity-scope-musicstores - Store music lens for unity
p unity-scope-musicstores:i386 - Store music lens for unity
pi unity-scope-video-remote - Remote videos engine
i A unity-services - Services for the Unity interface
p unity-services:i386 - Services for the Unity interface
