Defense
Blocking
Blocking is performed by holding or and will prevent you from getting hit by the opponents attacks.
Blocking cannot be performed while airborne and Overhead/High attacks must be blocked standing , while low attacks must be blocked by crouching blocking
Drive Parry
Drive parry can be used to parry opponents attacks at the cost of drive resource. Drive parry can be done by Holding + (MP+MK).
More details about Drive Parry can be found here
Wake-up
There are two types of wakeups in Street fighter 6 which are normal rise and back rise. There is no difference in the frame data.