Matching Pairs A&C1. U2. Activity 18Online version Match each sentence on the left with its definition on the right. by Carmen Martínez 1 The background 2 At the top 3 In the middle 4 The foreground 5 At the bottom 6 Corner The lowest part. Angle, side, edge. The highest part of a painting. Things that are the nearest to the viewer. Things that are far from the viewer, at the back. Central, in the centre.