What Does This Mean on My Confirmation?

[Bowen9475]

I got an email confirmation yesterday for our ASMo stay beginning tomorrow so I printed it out. I got another one today. While comparing them to make sure they were the same I noticed it lists the confirmation number, hotel name, guests who are staying, number of nights, rate and Preferred Room (EP). I booked a standard room and am paying the AP rate for a standard room. I'll be very happy if they give us a preferred room. What does the (EP) mean? Does anyone know? Thanks!
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[Gerweniel]

EP usually means "European Plan" which translates into No Meals included.
Not sure what Disney's abbreviations are.
Have a great stay!