The reward of visiting Imam Hussain, peace be upon him

Do we know what the reward for visiting Imam Hussain, peace be upon him is?

Do we know what it means that ‘visiting Imam Hussain on a Thursday night is like visiting God on His Throne’?

Do we know where the narrations mentioned for visiting Imam Hussain have reached? Do we know what it means that ‘visiting Imam Hussain on a Thursday night is like visiting God on His Throne’? Do we understand these things?

[Do we understand] how much reward there is in crying for Imam Hussain? Can we claim a limit for it beyond which there would not be anything else?