This is the 1619th most frequent Russian word.
цифровой
Digital.
Here, 'цифровой' is used as an adjective describing 'техники' (technology), referring to technology based on or related to digital systems.
Современные достижения цифровой техники впечатляют.
The modern advancements in digital technology are impressive.
In this sentence, 'цифровой' is used to describe 'эпоха' (age), indicating an era characterized by the prevalence of digital technologies.
Цифровая эпоха изменила способы общения и работы.
The digital age has changed the ways of communication and work.
Here, 'цифровой' is used to define the nature of the 'фотографии' (photographs), specifying that they are in a digital format.