Motility and swimming: universal description and generic trajectories Alexander Farutin, Suhail M. Rizvi, Wei-Fan Hu, Te-Sheng Lin, Salima Rafai and Chaouqi Misbah Eur. Phys. J. E, 46 12 (2023) 135 Published online: 26 December 2023 DOI: 10.1140/epje/s10189-023-00395-3