|NOTES||Hollowed out like the inner curve of a circle or sphere.|
|HIERARCHY||Physical Attributes Facet>Attributes and Properties>shape (form attribute)>curved>concave|
Search works with
Search for works of art which specifically
contain the subject "concave" subject or works within the subject tree Infobox:
equal to "concave" or that is a sub-subject of "concave"
Searching the subject tree for "concave" would return results containing subjects like:
concave (with subject tree: Physical Attributes Facet>Attributes and Properties>shape (form attribute)>curved>concave)