* '''Title''' - A title is a Wii game on a disc, a Wii channel or a virtual console game. A title is identified by a unique title ID. The format is described at the [[Tmd_file_structure|Tmd file structure]] page.
* '''Title ID''' - A 8 byte long identifier which uniquely identifies a title. The four first bytes are typically 00 01 00 01, and the last four is typically made up by uppercase letters, where the first letter indicate the kind of title (Wii games, channels or VCs for a specific emulator) and the last the region. See [[The_Virtual_Console#Internal_game_names|The Virtual Console (Internal game names)]] for details.