There are five main types of logos:
wordmark, lettermark, combination mark, emblem and abstract.
Each type has its own purpose and can be used to express the identity of the brand in a unique way.
Wordmark Logo Design:
Text-based logos that consist only of words or letters.
REFERENCES
https://looka.com/blog/wordmark-logo-design/
Lettermark Logo Design:
Logos that use a combination of letters in an eye-catching font.
Combination Mark Logo Design:
A combination of both text and graphics to create a unique identity.
Emblem Logo Design:
Text and graphic elements contained within a shape such as a circle.
Abstract Logo Design:
A more creative logo that contains an abstract symbol or design.
