One way of developing your piece is to use language that lets your reader see what you are talking about. Every paragraph should have something that the reader can visualize.
When writing so that your reader can visualize, you'll want to use lots of concrete nouns. Concrete nouns name things that you can actually see with your eyes, hold with your hands.
Once you have your visuals in place, you can go from the concrete (visual) to the abstract (mental). In addition to your visuals, you need ideas. Words that express ideas are called abstract nouns. These are things that you have to conjure up in your mind.
Here is a sentence sequence that lacks visuals:
Movie theatres could actually make more money by giving discounts to young adults. This may seem contradictory, but the volume of increased ticket sales would more than make up for the loss on individual tickets. In addition, concession sales would go up.
Here it is, with visuals added:
Movie theatres could actually make more money by giving discounts to high school and college students. This may seem contradictory, but the volume of increased ticket sales would more than make up for the loss on individual tickets. Picture all those teenagers marching the malls on a Saturday night. They may not have enough cash in their pockets to pay full price for a movie ticket, but would flock to the ticket booth if the price were a bit more attractive. In addition, sales would go up at the concession stand, as everyone knows that teenagers consume large amounts of popcorn, candy, and soda.