What's the difference between UPS and surge suppression products on the market?

What's the difference between UPS and surge suppression products on the market?

The below is a comparison chart between Surge Protector, Voltage Regulator, and UPS: 

Power Problems	Surge  Suppressor	Voltage  Regulator	Off-Line  UPS	Line-Interactive  UPS	On-Line  UPS
Low Voltage	X	△	X / △	△	○
High Voltage	△	△	X / △	△	○
Blackout	X	X	○	○	○
Noise Interference	X	X	X	△	○
Surge	△	△	X / △	△	○
Floating Frequency	△	X	△	△	○

○: Highest Protection        △: Limited Protection        X: Without Protection

[Source From: Prostar UPS]