A good logo is a logo that is effective. An effective logo works for your company and represents your brand and your values. An good logo is not a good-looking or a cute pictogram that you fancy. Design has to serve a purpose and therefore it is not art. I have put together five crucial aspects of an effective logo.
Typography is the art and technique of arranging type to make written language legible, readable, and appealing when displayed. Legibility, readability and visual attractiveness are crucial attributes of a good logo design (read more about logo design essential here).