Here's a breakdown:
* Flute: This is the most common term, referring to a vertical, concave groove. It can be used in both architectural columns and other objects.
* Fluting: This term refers to the overall pattern of grooves on a column.
* Reeding: This term is more specific and refers to a shallow, raised groove that can be found on columns, pilasters, and other architectural features.
The specific terminology may vary depending on the context and the style of the column.