通信 (tōng xìn) means “to correspond (by letter etc); to communicate; communication”. It is an HSK 3 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
现在通信很方便。
Xiànzài tōngxìn hěn fāngbiàn.
Communication is very convenient now.
Updated: 2026-07-18