This is the 3769th most frequent Russian word.
четкий
Clear, precise, or cool (slang).
In this sentence, 'четкий' describes handwriting as legible and precise, emphasizing clarity in written expression.
Её почерк настолько четкий, что его можно читать как печатный текст.
Her handwriting is so clear that it can be read like printed text.
Here, 'четкий' is used to describe a screen as 'sharp,' referring to its clarity and high-quality resolution.
Этот новый смартфон имеет четкий экран с высоким разрешением.
This new smartphone has a sharp screen with high resolution.
Here, 'четкий' is used to mean 'clear' or 'well-defined,' indicating that the plan is easy to understand and logically structured.