What are VLV and VRV?

[sofasurfer]

I think the VRV is the same as the EGR Selonoid Valve. True or false?
The VLV appears in the same place as the EGR Selonoid Valve in diagrams. Same thing?

 

[Molson02536]

I think the VRV is the same as the EGR Selonoid Valve. True or false?
The VLV appears in the same place as the EGR Selonoid Valve in diagrams. Same thing?

VLV short from for Valve. VRV is short for Variable Rate Valve (EGR valve is a Variable Rate Valve controlled by vacuum)