In what case can the movement of the pen you write with be considered progressive?

The movement of the pen with which we write will be translational if we move it parallel to the paper, that is, all its points will move in the same way.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.