What is a hook

I'll bet you won't forget the next time.

Let me make myself clearer, does anyone know what a hook is and how it can be used, this is urgent!

Thanks!

In the literary sense, a hook would be a device employed to engage the readers' interest.

Yes but how should I use one when when I am talking about Students Privacy rights

Come up with an introductory sentence or 2 which leads the reader to further explore your essay. You might want to provide a brief summary of the points you intend to cover, and perhaps a very brief preview of your conclusion.

An only partially tongue-in-cheek formula for an essay is: "First, tell 'em what you're gonna tell 'em and tell 'em why you're telling 'em, before you tell 'em anything. Then, tell 'em whatever it is you want to tell 'em. When you've done that, tell 'em what you've told 'em, why you told it to 'em, and close your essay with what it all meant."

So like this is how I should start:

Students' privacy rights have made the goverenment concerned about students and their daily lives to make them wonder if they should continue on with their warnings.

So like this is how I should start:

Students' privacy rights have made the goverenment concerned about students and their daily lives to make them wonder if they should continue on with their warnings.

So like this is how I should start:

Students' privacy rights have made the goverenment concerned about students and their daily lives to make them wonder if they should continue on with their warnings.

So like this is how I should start:

Students' privacy rights have made the goverenment concerned about students and their daily lives to make them wonder if they should continue on with their warnings.

So like this is how I should start:

Students' privacy rights have made the goverenment concerned about students and their daily lives to make them wonder if they should continue on with their warnings.

This is a possibility, but it's not clear. Who does "them" refer to? A better "hook" would be an example--a brief one. That's more likely to grab the reader's attention, which is what a hook is designed to do.

Kj went fishing for readers on a sunny afternoon. Sitting creekside with fishing pole in hand, determined to catch a big one with just the right bait, he picked up a juicy looking worm. With eyes closed he tenderly pierced the worm with his hook. That was just the beginning of all his problems.