It’s the combination of both word image/icon into a single mark. It allows you to brand your company’s name, with an image. You can either use your logotype/word mark, or the combo mark to express your brand message while both will be associated as one. Visualise how your name and symbol work together, and yield the advantages and flexibilities of the combo mark.
Logo originated from the Greek, meaning word. Logotype consist of text only. They are the company’s name set with a particular typeface or a custom typeface to provide a unique feel representing the brand.
That type of logo is easy to read because the design is based on letters. They’re a versatile, easily applicable to any marketing material and social media.