A criterion that can be used to sort and filter, such as the colour or size of products in an online store.
The narrow plane surface between flutings of a column; a fillet.
One member of a compound eye, as found in insects and crustaceans.
A smooth circumscribed surface.
One of a series of things, such as steps in a project.
Any one of the flat surfaces cut into a gem.
A face of codimension 1 of a polytope.
Any of the small joints at each segment of the spine that provide stability and help guide motion
One among many similar or related, yet still distinct things.
To cut a facet into a gemstone.
the difference between net sales and the cost of goods sold