Meaning of “simplicity” - Learner’s Dictionary

simplicity

noun [ U ] uk us /sɪmˈplɪsəti/
NOT COMPLICATED

the quality of not being complicated and having few details or little decoration:

I admire the simplicity of his designs.
EASY

the quality of being easy to understand

(Definition of “simplicity” from the Cambridge Learner’s Dictionary © Cambridge University Press)