So what is a mood board? Well, according to the Wikipedia, at least, a mood board is a type of collage consisting of images, text and samples of objects in a composition. What that basically means is that you can use mood boards to present all kinds of different projects. You can save them for yourself, and for the future references for the future projects for the project you're currently working on. Or you can show them to your clients or a team. For example, if you're doing a logo design project, you can use all kinds of different shapes from the logos that inspire you.
You can use different types of fonts and show them as well to your clients or a team. If you're doing a website project. For example, you can use all kinds of different images that you think will inspire your client in yourself of course, for that project for the photography, for example, You want to visit Paris and you can quickly do a quick Google search for images of Paris to inspire you have the potential locations that you want to visit before you go to Paris actually. So they are very useful in saving you time in saving your clients money and a great tool to do research and to give you a bit of inspiration. That's why they're called mood boards because they can get you in the mood so you can start your projects easily and more quickly.