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.
Lineal feet, same as linear feet, means feet in a straight line. You'll need to just multiply the linear feet by the width of the board to get square feet. Re: converting lineal feet to square feet.