The Washington Monument
An obelisk is a rectangular column ontop of a pyramid
An Obelisk.
A rectangular column is commonly referred to as a "rectangular pillar" or "rectangular post." In architectural contexts, it may also be called a "rectangular column." These structures are typically used to support loads in buildings and can vary in size and material.
None of these alternatives really describes an obelisk. It can be described as a narrow, tapering four sided column topped by a pyramid. Many of them are covered in writing.
The Column of Trajan
Plinth
Nelson's Column
Trajan's column is 100 feet tall and consists a rectangular base.
The Column Of Trajan
cell
The Washington Monument is in honor of George Washington's military leadership from 1775 to 1783, during the American Revolution. It looks out over the Reflecting Pool, and is about 555 ft 5/8 in. It was made in the image of a Greek column. It was started in 1848 and finished in 1884.
A box column is a type of building column that is hollow and usually has a cross-section that is rectangular. They are often used in the construction of building additions like porches.