VTSI_MAT	Managment table	Containes basic information about the IFO file itself, and attribute information about the streams contained by the Menu-VOB file and the Title-Set VOB files.
PTT_SRPTI	Chapter table	Here you will find the definition of the Chapters. This table just holds pointers to PGC's and Programs that you can find in VTS_PGCITI.
VTS_PGCITI	TitleSet (Movie) Program table	This is the main program table. It holds all information about the TitleSet (Movie), how it should be played, what cells are used in which order and so on.
VTSM_PGCI_UT	Menu Program table	This one is nearly the same as above, except it holds the information for the Menu VOB file.
VTS_TMAPTI	Time Map table	Very uninteresting table. You'll never need to edit anything in here.
VTSM_C_ADT	Menu Cell address table	Containes a list of all Cell's in the Menu VOB file VTS_xx_0.VOB.
VTSM_VOBU_ADMAP	Menu Vob Unit address table	Containes a list of all Vob-Units in the Menu VOB file VTS_xx_0.VOB.
VTSM_C_ADT	TitleSet (Movie) Cell address table	Containes a list of all Cell's in the TitleSet (Movie) VOB files VTS_xx_1.VOB - VTS_xx_n.VOB.
VTSM_VOBU_ADMAP	TitleSet (Movie) Vob Unit address table	Containes a list of all Vob-Units in the TitleSet (Movie) VOB files VTS_xx_1.VOB - VTS_xx_n.VOB.