Term Kind Topic What it is
Application Discovery practice Cloud Migration Establishing what applications exist, what they depend on, who owns them and whether anyone uses them — the step whose absence makes every later step a guess.
Cloud Migration practice Cloud Migration Moving workloads to the cloud — where the strategy per workload matters more than the programme, and where lift-and-shift produces the bill that discredits the whole effort.
Migration Wave practice Cloud Migration A batch of applications migrated together, sequenced so that dependencies move in a workable order and each wave delivers learning for the next.