This keyword variable : Special variable that is created for every execution context(every function). Takes the value of (points to) the 'owner' of th
fundamental building block in the program(ํ๋ก๊ทธ๋จ์ ๊ตฌ์ฑํ๋ ๊ต์ฅํ ๊ธฐ๋ณธ์ ์ธ buildidng block)\*\*subprogram can be used multiple timesperforms a task or calculate a