Scene changes — which are essentially warps that trigger loading screens — can be explicitly triggered with three different actions: ChangeScene, FromCDungeonToMainField and ToCDungeon.
All three actions are very similar; in fact they share the same base class. However, the first one is the most flexible action since the other two can only be used for shrines.
Full article: AIDef:Action/ChangeScene
Full article: AIDef:Action/FromCDungeonToMainField
Full article: AIDef:Action/ToCDungeon
Demo005_1 is used as the event flow for most warps, for example when fast travelling to shrines, towers, Travel Medallion and Divine Beasts.
ClearRemains is used when completing a Divine Beast. The main difference between
ClearRemains is the warp effect (sound and visual).