Sada means purity and singularity, derived from the Japanese kanji characters sa (pure) and da (one). The statement should specify that 'Sada' is a Japanese name meaning purity and singularity, while 'Sadaf' is an Arabic name meaning seashell or mother of pearl, and clarify their cultural contexts. The name Sada has evolved over time, influenced by its use in different linguistic and cultural contexts. Today, it remains a serene and beautiful name, symbolizing peace and harmony.
