This is the 102nd most frequent German word.
deutlich
Clear; distinct.
Here, 'deutlich' is used as an adjective to describe 'Anweisung', meaning 'clear' or 'explicit'.
Die Anweisung war deutlich, also wusste ich genau, was zu tun war.
The instruction was clear, so I knew exactly what to do.
'Deutlich' here is used in conjunction with 'leserlich', both serving as adverbs to describe the manner of writing, emphasizing clarity and legibility.
Bitte schreiben Sie leserlich und deutlich, damit ich es verstehen kann.
Please write legibly and clearly so that I can understand it.
In this sentence, 'deutlich' acts as an adverb, modifying the verb 'sprach', indicating the manner of speaking as 'clearly'.