This is the 8813th most frequent Russian word.
понятная
Clear; understandable.
Adjective describing an instruction as clear and comprehendible.
Это понятная инструкция.
This is an understandable instruction.
Adverb form describing the manner of explaining.
Она объясняет тему очень понятно.
She explains the topic very clearly.
Predicate expressing that something is clear or comprehensible.