lvt svt
Hi,
The basic explanation of the different vt cells is good.
So, if you are using a multivt library for your design implementation, you can choose the appropriate vt cells as per whether the design is timing critical or power critical. It is better to use low vt cells for timing critical path and high vt cells for non-timing critical path so that power target can be achieved.
Moreover for a low power desig you can apply the multivdd concept, diferent voltage domains and use of power gating.
It may help you.
Thanks..
HAK..