Flashbacks is confusing

[Raymond]

Yeah, it's confusing, i can't make a flashback, first i need to know how to get those voices? Second, is: <Flashback>
<Voices>
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01bs_01.ogg" EffectSound="fb_sfx_02_journey.ogg" TextCat="" TextEntry="" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01_01.ogg" EffectSound="" TextCat="Flashbacks" TextEntry="CH01L02_JourneyToSanctum01_01" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01_02.ogg" EffectSound="" TextCat="Flashbacks" TextEntry="CH01L02_JourneyToSanctum01_02" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01_03.ogg" EffectSound="" TextCat="Flashbacks" TextEntry="CH01L02_JourneyToSanctum01_03" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01_04.ogg" EffectSound="" TextCat="Flashbacks" TextEntry="CH01L02_JourneyToSanctum01_04" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01_05.ogg" EffectSound="" TextCat="Flashbacks" TextEntry="CH01L02_JourneyToSanctum01_05" />
<Voice VoiceSound="flashbacks/CH01L02_JourneyToSanctum01as_05.ogg" EffectSound="" TextCat="" TextEntry="" />
</Voices>
</Flashback>

These two things are confusing, i wanted to make a good story but a good story needs the flashback so please help .

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Oh yeah, i need to know how to make a momento as well .