Dad, do you and dad mean the same thing?

Dad and dad are both appellations for their fathers, which are commonly used in spoken language, and are also called dad, dad, dad and dada (dialect). In literature, "dad" is called "father". Due to the differences of tradition and regional culture, the names of fathers vary from place to place. For example, Manchu people traditionally call their father "grandma".

Dad, which means father or father. Generally speaking, in the past period of time in our country, dad called dad more, or urban workers and peasants called dad more, or rural dad called dad more. ?