1. The act of finishing or completing something entirely in a single moment or action, without partial completion or stages
The project requires all-at-once completion rather than incremental delivery.
O projeto requer conclusão simultânea em vez de entrega incremental.
2. A completion strategy where all components or tasks are finished together at the same time
All-at-once completion of the software release means all features launch together.
A conclusão simultânea do lançamento de software significa que todos os recursos são lançados juntos.