What would you look at when you receive an advertisement? – The graphic or the video (thumbnail or first 3 seconds). This is similar to the facade of your shop. People would gave a glance of your shop, and if it is attractive, then they would go inside.
Most people know. However, when it comes to the design, people usually also forget one thing – your message. Do not only focus on the design and style (though it’s also very important), also focus on the message delivered to your audience.
Is it relevant to your product or services? Can your audiences understand what you want to present?