Initiation - Push
Build quantity - Forecast
Minimum quantity - One batch
Timing - Scheduling
Flow- Batches and queues
Sold from - Inventory
WIP inventory - Batch between stations
Recurring defects - Batches made strong

Initiation - Pull
Build quantity - Orders placed
Minimum quantity - One product
Timing - On-demand
Flow - One-piece flow
Sold from - Production
WIP inventory - One on each station
Recurring defects - One, caught at the next workstation

Source: Build- to-OrderConsulting