Mo – Wikipedia

Computing.mo, country code top level domain of Macau; Magneto-optical drive (magneto-optical storage), a data storage medium; Microsoft Office, an office software suite; Mode of operation, in encryption block ciphers; Motivating operation, a term describing the effectiveness of consequences in operant conditioning; Other uses in science and technology. Mo (grist mill) (磨), ancient Chinese …

https://en.wikipedia.org/wiki/Mo