HSK V3
Correct

通信

/ tōngxìn /
Strokes

Collocation

1
数字通信
2
通信卫星
3
通信员
4
保持通信
5
开始通信
6
通信地址

Definition

通信 is a Verb (Separable Verb), which means [ to correspond (by letter etc)/to communicate/communication].

Example

As a Verb.
1
nián
qián
men
我们
tōngguò
通过
xìn
  
,
xiànzài
现在
jīng
已经
méiyǒu
没有
shénme
什么
lián
联系
le
  

We passed the letter a few years ago, and now there is no contact.

2
Shù
数字
tōngxìn
通信
jīng
已经
dào
得到
le
guǎngfàn
广泛
yìngyòng
应用
  

Digital communication has been widely used.

3
Zhèxiē
这些
zhàopiàn
照片
dōu
shì
tōngguò
通过
tōngxìnwèixīng
通信卫星
chuán
guòlái
过来
de
  

The photos were transmitted via communication satellites.