The Pasteboard Manager supersedes the original Scrap Manager, providing modern Mac OS X features like typing of pasteboard items using uniform type identifiers (UTIs) and the ability to store multiple items at a time.
A pasteboard is a standardized mechanism for exchanging data within applications or between application (e.g. via copy-and-paste). Several pasteboards can exist, among them two special: Clipboard (handles all copy-and-paste operations) and Find (holds the current search string in Find operations).
The Pasteboard Manager uses UTIs (Uniform Type Identifiers) to specify item flavors. These are simply Core Foundation strings uniquely identifying a particular data type like