It can also symbolize memories from school days or the process of learning. It's also fitting for expressing a commitment to 'starting again from the basics' or to show that you are learning something.

In the digital age, it also plays a role in conveying an analog sensibility. It signifies the start of a creative process, like writing or drawing by hand, and is effective for showing you're 'sketching out ideas' or 'in the planning phase.'