The word you could possibly be looking for is "intent"
The transition word which is not correctly used in the passage is moreover.
As you can see in this sentence (<span>Moreover the invention of television and digital media, such as the Internet, most ads appeared in newspapers, magazines, and the radio.), something is wrong - the sentence doesn't sound natural or grammatical. This is why that word is the one which is used incorrectly, whereas the other sentences are good.</span>
<u>Answer</u>:
When you back your vehicle, you should C: Back slowly; your vehicle is much harder to steer while you are backing.
<u>Explanation</u>:
One must be very careful while driving and follow all the rules. Special instructions must be followed while backing the car. It is more difficult to control the steering of the vehicle and balancing the car while backing it. Reverse is a more powerful gear than the driving gears.
So, option C is correct which says that “Back slowly; your vehicle is much harder to steer while you are backing”. Option A is incorrect as it mentions that back quickly. Option B is also wrong as it says that back at the same speed as we move forward.
Do you mean it sounds like "Boohs", if that's the case then it is "Booze"