Wow....
If the rearrangement of RDIE is intentional, it could simultaneously evoke the two keywords RE-ID and RIDE.
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RE-ID(Re-Identification) = A re-identification technology used in motion capture(Mocap) and AI computer vision. It is used to maintain the identity of a tracked subject across multiple cameras or sensors, and to reconnect the same person/skeleton with their existing ID even after they temporarily disappear due to occlusion or tracking loss. Therefore, it can be technically connected to multi-person/multi-camera real-time productions, where multiple subjects and viewpoints are present simultaneously.
RIDE(Real-time Interactive Development Environment/Ride System) = An abbreviation used in some contexts to refer to a real-time interactive development environment. Separately, in Unreal-based real-time content, riding/ride systems can refer to character interaction with vehicles or other modes of transportation, including boarding, movement, and the corresponding animation/rigging sequences.
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RE-ID = multiple entities/re-identification/tracking
RIDE = movement/riding/transportation
Considering that multi-person/multiple-character productions have already appeared in the previous world-tour poster and the recent Golden cover MV, it also seems possible that the staging could expand into productions that simultaneously show multiple entities/spaces, or involve real-time tracking and transitions between different entities.
So, for this first world tour, it feels like we might be getting a multi-universe production + a production involving a new mode of transportation:)♡⃟ˆ. ̥ ̫ .𓈒ྀི𑁨ཾ݂౨ৎ𖹭