eMAR stock is the same module as Medication stock (the menu entry is the same page). Five movement types: Received, Disposed, Returned, Adjustment, Stock Check.
Note — This article is here for completeness — the full guidance lives under the Medication stock category. The stock module is shared between the "Stock" tab on the eMAR nav and the per-area Medication Stock Check app.
Controlled drug stock is separate
Controlled drugs have their own register with its own balance — see Controlled drugs register. Don't record CD movements in the general stock module.