Its diversified business is primarily focused on the electronics , game, entertainment and financial services sectors. These make Sony one of the most comprehensive entertainment companies in the world. Its founders Akio Morita and Masaru Ibuka derived the name from sonus, the Latin word for sound, and also from the English slang word "sonny", since they considered themselves to be "sonny boys", a loan word into Japanese which in the early 1950s connoted smart and presentable young men.