The phrase: 'kill two birds with one stone' simply means solving two tasks at the same time or with one single action.
Example of use: "Whenever I jog, I like listening to English rap music. That way, I kill two birds with one stone; I stay fit whilst I improve my English language skills."
Interesting fact about Kill Two birds With One Stone
This phrase is dated back to the Roman era – when they literally killed two birds with one stone.
