In Tamil culture, the term "Visai Palagai" (விசைப்பலகை) translates to "keyboard." However, there is a legendary and "interesting story" often associated with a mystical board in Tamil history called the Sangapalagai (சங்கப்பலகை), which was a divine seat for poets in ancient Madurai. The Legend of the Sangapalagai (The Divine Board) According to the legend from the Madurai Meenakshi Amman Temple: The Divine Gift
Before the advent of Tamil keyboards, typing Tamil was a mechanical challenge. During the typewriter era, Tamil required complex, multi-key combinations due to the large character set (247 basic characters including 12 vowels, 18 consonants, and 216 compound letters). The Tamil typewriter keyboard, designed in the mid-20th century, was a physical device with over 100 keys—very different from the minimalist English QWERTY layout.
Different users prefer different layouts based on their familiarity and speed requirements. Tamil Typing Guide: Keyboard Layout & Speed Tips - Typogram