Telomeres are short tandem repeats of nucleotides at the ends of chromosomes. Let's break this definition down a bit. Nucleotides are the building blocks of DNA, which is the carrier of genetic information. A tandem arrangement is when things are placed one behind another.
Definition: A board foot is a unit of measure used in the logging and lumber industry. It is a volume measurement that refers to the volume of a board.
Assuming that 1 inch thick shiplap siding will be used, the number of board-feet required is the same as the area to be sided in square feet. A board-foot refers to the volume of a 1 foot by 1 foot by 1 inch piece of wood.