1. saddle height ( from the center of the bottom bracket to the top of the saddle )

2. Saddle set back ( from the tip of the saddle to the imaginary vertical line extended from the center of the bottom bracket )

3. saddle to handlebar length ( ( from the tip of the saddle with an imaginary horizontal line to the center of the handlebar with an imaginary vertical line )

4. Handlebar drop ( the height different between the top of the saddle & the top of the handlebar

5. saddle length

6. stem length

The above example have the following measurements.

1. 840mm

2. 110mm

3. 615mm

4. 88mm

5. 278mm

6. 130mm

When you do the measurment. Make sure the ground is level