Metric System:A decimal-based system of measurement that uses prefixes like 'kilo-' to indicate multiples or fractions of the base unit.
SI Units: The International System of Units, which is the modern standardized metric system that employs prefixes like 'kilo-' to define larger or smaller units.
Decimal Notation:A way of writing numbers that uses a decimal point to separate the whole number from the fractional part, allowing for easy conversion between different units of measurement.