Terms Used In Tennessee Code 66-11-104

• Improvement: means the result of any action or any activity in furtherance of constructing, erecting, altering, repairing, demolishing, removing, or furnishing materials or labor for any building, structure, appurtenance to the building or structure, fixture, bridge, driveway, private roadway, sidewalk, walkway, wharf, sewer, utility, watering system, or other similar enhancement, or any part thereof, on, connected with, or beneath the surface. See Tennessee Code 66-11-101
• Lien: A claim against real or personal property in satisfaction of a debt.
• Visible commencement of operations: means the first actual work of improving upon the land or the first delivery to the site of the improvement of materials, that remain on the land until actually incorporated in the improvement, of such manifest and substantial character as to notify interested persons that an improvement is being made or is about to be made on the land, excluding, however, demolition, surveying, excavating, clearing, filling or grading, placement of sewer or drainage lines or other utility lines or work preparatory therefor, erection of temporary security fencing and the delivery of materials therefor. See Tennessee Code 66-11-101