This is a silver pen nib inclined at a 45 degree angle, with a circular hole and a straight groove in the middle to allow ink to flow to the nib.
In terms of appearance design, the design of different platforms is different. For example, platforms such as Apple, Twitter, and JoyPixels depict a complete pen, not just the nib.
The emoticon is generally used to represent the meaning of pen nibs, pens, writing, calligraphy, signing, and painting.
