Track (optical disc) Track (optical disc) On an optical disc, a track (CD) or title (DVD) is a subdivision of its content. Specifically, it is a consecutive set of "sectors" (called "timecode frames" on audio tracks) on the disc containing a block of data. One "session" may contain one or more tracks of the same or different types. There are several kinds of tracks, and there is also a sub-track index for finding points within a track. Blu-ray discs can also be written in a sequential, session based mode modelled on CD and DVD. A Blu-ray "track" refer to the entire physical storage
Names given to the Spanish language used was called "castellano". Thus, some Latin American countries formerly under Spanish rule have retained the custom of calling it "castellano", while others eventually switched to calling it "español", with many different factors influencing the final choice. In English, the term "Spanish" relates both to the language and to the nation. The noun used for a person from Spain is "Spaniard", with the collective noun "the Spanish". The term "Castilian" is much less widespread amongst English speakers than the term "Spanish". Two main hypotheses have been proposed for the origin of the word "español": one based on dissimilation in Old