足球场人工草坪施工图:what does "off the wall" mean?

what does "off the wall" mean? They are off to a great start. What does "off" mean here? what does "PK" stand for? What does "PK" stand for? what does "set shot" mean? what does "boo hockey" mean? what does "tis" mean? What does "doy" mean? what does he do? means "()" what does "accountancy package" mean ?