DNA to mRNA is called as

According to central dogma of molecular biology, information available in the DNA is passed to messenger RNA which is then used for the synthesis of paicular protein. This is called transcription. During transcription, the message from DNA is copied in the language of nucleotides (4 letter language )Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 588