Commutative
In mathematics, a binary opeartion is commutative if changing the order of the operands does not change the result. i.e:
x * y = y * x
3 + 4 = 4 + 3
Linked Notes:
CRDT
aka Conflict Free Replication Data Type is data structure that can be replicated on multiple network where each replica could be updated independently and concurrently without coordination between replica and theoretically can be resolve inconsistencies that might comes up.