What is an unit?

 A unit is a ameasure used to compare things, it could be measurement standard (like meters or kilograms), a basic part of a system (like a phone), or a defined group (like military)

Why it is so important?

The importance of units is to complexe on idea of measurement.

There are several types of units used in measurement:

• Length: Measures distance (e.g., meters, kilometers).
•  Mass: Quantifies the amount of matter (e.g., grams, kilograms).
• Time: Tracks duration (e.g., seconds, hours).
•  Temperature: Indicates heat levels (e.g., Celsius, Fahrenheit),
•  Volume: Measures space occupied (e.g., liters, milliliters).
•  Area: Quantifies surface size (e.g., square meters).
•  SI Units: The International System of Units, which includes base units for various physical quantities.

There are some examples:

1. Units of meuserment.

• Meter(m)
• Liter (1)
• kilogram (kg
• Newton(N)
• second(s)

2.Computing units

• Bit (b)
• Gigabity (GB)
• Byte(B)
• Terabity (TB)
• kilobity (KB)

3. Energy and electricity use

•  Joule (J)
•  volt (v)
•  watt (W)
• Ampere (A)

4. Astronomy units

• Light year
• Astronomical unit (AU)
• Parsec

5.Economy and Finance units

• Dollar ($)
• interest rate (%)
• euro (E)
• Peso (S)

Video to review.