Iv seen a wharfedale 42" 1080hp ready digital lcd tv?

What does the 1080p mean is that good,iv looked at other tvs around the same price,and they dont say1080 hd ready,im confused ,i want a decent tv .£499.00 should be £799.00,it allso has a free 3 yr warranty via leaflet,good buy or not cheers ,
Answer
The 1080 is the number of lines that makeup the picture for hd tv,non hd tvs only have 625 lines(more lines sharper picture).if you have a argos catalogue hd is explained.