What is Pseudo range? True or not?

What is Pseudo range? True or not?

Pseudo range
Pseudo distance between satellite and GPS receiver.
Pseudo range contain satellite clock and user clock offset error.
To determine position GPS receiver calculate four range from four satellite at the time of transmission.
GPS work on the principal of range measurement.
Due to error, the measured range are not true, but pseudo range.

True or not
Pseudo range contain satellite clock and user clock offset error. Because it’s not possible to synchronize satellite clock and user clock.
Reason for error,
Ionospheric and tropospheric delay
Multipath error
Satellite clock error
User clock error
So, pseudo range differ from the true range due to these factors.