Namespaces are not listed nor explained in the online API documentation. Hence, the description is merely guessed.
Items regarding the global Timecode source. Titan v11 introdued four separate timecode sources. Subsequently, there are now also namespaces and items like Timecode.TimecodeOne, Timecode.TimecodeTwo etc.
Timecode.Context.Play has the same effect like Timecode.TimecodeOne.Play and is believed to also work in pre v11 versions which had only one global Timecode source.
Items in this namespace: