Info in .lef file

hello ,
I have found this info in .lef file
PIN VDD
DIRECTION INOUT ;
USE POWER ;
SHAPE ABUTMENT ;
PORT
LAYER M1 ;
RECT -0.053 0.435 0.437 0.525 ;
VIA 0.048 0.48 VIA01_slotV ;
VIA 0.24 0.48 VIA01_slotV ;
END

Anyone know what the four values mean after RECT and 3 values after VIA .?
Thank you in advance

Hi,

Forum search "RECT"
Internet serach ".lef file RECT"

Klaus