Apron

A structural support placed at right angles to the underside of a shelf, chair seat, or table top to provide additional weight bearing strength and often decorative flourishes.

Filigree

Primarily refers to fine, ornate metalwork (mainly in gold, silver, or copper), that is intricately patterned and used as ornamentation or embellishment, particularly in fine jewelry making. More broadly, the term can refer to any ornamental openwork that is delicate or fine that resembles a metal filigree in its pattern, but in other mediums.

Stretcher

A stretchers is a stabilizing support rail which runs horizontally between furniture legs. These often form X, H, or Y shapes in conjunction with the outside rails.

Console table

Starting in the 17th Century, console tables were side table usually fixed to a wall with front legs for support. Frequently the backside of consoles are left undecorated as they are viewed only from the front or sides and were created with the intent of display, often serving as pier table underneath a large mirror. Contemporary references to console tables can also indicate a freestanding relatively tall, rectangular table that is placed against a entrance wall or sofa.