the process of being mentally stimulated to do or feel something, especially to do something creative.
Sometimes you will be waiting for a creative inspiration to pop up in your head that will drive you to create an original artwork — any kind of art. Photography, Digital Art, Video, Music so on and so forth. Creative block is when, you are in that mental space all ready to create your artwork but, nothing inspires you. This is a very usual, recurring phenomenon in the creative process.
Here’s an interesting exercise by Brooke Shaden, that will help you to start a project by self-induced inspiration. For this example, let’s say you are a fashion photographer!