Pick perfect Text Boxes PowerPoint themes to choose from and deliver business presentations on diverse subjects related to sales, marketing or production. Text box cubes are a great way to open your presentation slides. A presentation on Teamwork can open with a cube theme- each letter of the word teamwork inscribed on a cube. This creates a great first impression on the audience besides firmly putting across that this is what you will be addressing in your presentation. The theme by default duplicates across each slide giving a consistent look to your presentation.