This is the 2031st most frequent Russian word.
cnn
The sequence "cnn" has no meaning in Russian; it may refer to the news network or be a typo.
Here, 'CNN' refers to a proper noun, specifically the name of the Cable News Network.
CNN является известной новостной сетью в США.
CNN is a well-known news network in the USA.
In this sentence, 'CNN' stands for 'Convolutional Neural Network', a term used in the field of computer science.
Когда мы изучали методы распознавания образов, я узнал о CNN.
When we studied image recognition methods, I learned about CNN.
Here, 'CNN' again refers to the Cable News Network, emphasizing its role as a media source.