What are the key features of tethered ,untethered and semi untethered jailbreak?

[jamescarson]

When some jailbreak communities give descriptions about there jailbreak,they used these word to explain but i have no any idea what are these terms?

 

[TripleOne]

Hello James, welcome to iMore! I'm not quite sure of the differences. I'm sure someone with more knowledge on this matter will respond soon.

 

[SwitchBeach]

Check out this description.

Untethered Jailbreak vs. Tethered Jailbreak vs. SemiTethered Jailbreak — What's the Difference?