Count : To count means to find out the number of objects by adding one for every object.

Decimal : A decimal is a number represented by digits in front and after a decimal point. In front of the decimal point the digits are the ones digit, tens digit, hundreds digit and so on. After the decimal point there are the tenths digit, hundredths digit, thousandths digit and so on. For example the decimal 1.3 can be written as $1\frac{3}{10}.$

Thousand : Thousand refers to the number $1,000=10^3.$

Thousandth : A thousandth refers to the number $\frac{1}{1,000}=0.001=10^{-3}.$

Box plot : A way to visualize data. The left end of the box plot coincides with the minimum of the data. Similar the right end of the box plot visualizes the maximum of the data. The left and right end of the box in the box plot correspond to the 25th and 75th quantile of the data and the line in the box represents the median of the data.

Maximum : The maximum of a set of numbers is the highest of the numbers in the set. A function has a maximum at $x_0$ if $f(x_0)\geq f(x)$ for all $x.$