The way you display your work, and how you explain it, can have a massive impact on how your client will receive it. People simply aren't as objective as we'd like them to be.
A £30 steak on a paper plate will be seen as a crappy steak... So make sure you don't ruin all your hard work by being slap-dash in how you present your ideas.
Perception is nine-tenths of the law
Here are some tips that I use when presenting my work. They'll help you to communicate your ideas effectively and show your client that you understand their goals and the challenges they face.
1. Put yourself if your client's shoes
When presenting your work, your motivations will typically be different to your client's. As designers, we often attach too much ego to the ideas we have. This is something you must work to overcome.
In your career, you will come across clients who are difficult to please, and ones who struggle to detach their own tastes and preferences from the solutions you show. You need to become a master of persuasion demonstrate that YOUR work will move them closer to THEIR goals.
Take the time to remind your client of their goals and show how your work fits with their vision.
Communicating goals and strategy is YOUR responsibility. Don't leave it to your client's imagination.
2. Tell the story of how your work will help them succeed
Your client may think they are coming to you for a logo, but that's not the case. They want attention on their product or service. They want to be noticed. And they want to be remembered.
Tell the story of how you created your solution. Clients love to hear that you researched fully and that you understand the psychology of the people they're looking to sell to. Doing this will separate you from the vast majority of designers out there.
Describe how the solution you've produced will help them to accomplish their goals. Demonstrate the value you are providing.
I nearly always use 'mockups' to help my clients visualise the work in a 'real-life' setting...
You won't always be there in-person to describe your ideas, so make sure that you present them in the best light possible.
3. Use clear and simple language
Avoid 'arty' or 'fluffy' words - You'll appear less confident and will probably trigger your client's 'bullshit detector'.
Simple and concise sentences make it easier for your client to understand what you are saying.
And make sure you read it out loud before sending it over - If it doesn't feel like something you'd say in person, then re-write it until it does.
You should frame everything you display in terms of value to the client and how it will bring them success - People buy emotionally, so talk in terms of what matters to them, not you.
Remember, your client wants to LOVE what you show them, so be confident - Clients pick up on negativity and will nearly always match the energy you show them.
If you truly believe your work will add value to their business, then this will come across.
YOU are the professional, and the client is paying for YOUR expertise - Show them that they made an awesome decision.