This is the 2657th most frequent Russian word.
цифровые
Digital.
The word 'цифровые' is used as an adjective modifying 'технологии' (technologies), referring to the field of digital developments and innovations.
Цифровые технологии изменили наш мир.
Digital technologies have transformed our world.
Here, 'цифровые' modifies 'книги' (books), emphasizing the format being electronic or accessed digitally.
Многие предпочитают цифровые книги бумажным.
Many people prefer digital books to paper ones.
In this sentence, 'цифровые' describes 'данные' (data), implying representation or storage in a digital form.