High relief and Sculptural relief

High relief noun - A sculptural relief in which forms extend out from the background to at least half their depth.

Sculptural relief and high relief are semantically related. In some cases you can use "Sculptural relief" instead a noun phrase "High relief".

Sculptural relief noun - Sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background.

High relief and sculptural relief are semantically related. Sometimes you can replace phrase "High relief" with "Sculptural relief", this phrases are similar.