Lang/en.yaml Need your help.

Hello friend,

Just need a help like i have a requirement when in a single file i have
to save all the messages and from controller n view need to call those
message, so for this i had seen somewhere like we can create a lang
folder inside that we create a en.yaml file.

But seriously i don’t how to to use does any one tell me how to use that?

regards

Abhishek