Big events usually have some kind of handout available for free to show visitors.
It may be in the form of brochure or a full magazine. These are given out in show bags, at key access points around the show or in rest areas. Sometimes there's an opportunity for visitors to add their own advertising to these handouts.
What is wonderful is that a show is usually themed (say, a food show or a home show) so the audience is by default your target audience!
Since show handouts are free, there's no obstacles for visitors to help themselves to a copy. This collateral is then taken home, giving your business exposure long after the exhibition doors have closed.
Humans are visual creatures - an inspiring stand attracts more visitors.
You're more likely to achieve your goals if you actually set some.
Corner stands are found at the ends of rows of stands, open on two sides.