The basic purpose of business card is to give information. Name, company, ways to contact. Ideally it would also be a reminder about location, time and event. Hopefully it's an advertisement, reminder of possibilities, promises, opportunities. Business card should have a story to tell.
Would it hurt, if it was also beautiful? Would it help, if your business card was fit for framing? Something people would save not only because of you and the shared moment, but because they would like to look at it? Because it would inspire them to be better beings, more creative, look outside the old box?
Here's some inspiration, "60+ Most Beautiful and Creative Business Cards Designs". Next time you update your cards, take a moment to think about it. May your next card be a Better Card!