Company presentation. Product video. Service presentation. Expert on camera. Reel for social media. Small advertisement.

A short video is short in format. Not so much in terms of possibilities.
It doesn't always have to look the same. For some, a person in front of the camera works, for others, good lighting, carefully thought-out images and music. The most important thing is that the method suits what you want to say.
First the idea. Then we think about what it should look like.