The letter "ț" is a character used in the Romanian alphabet. It represents a voiceless dental fricative sound, similar to the English "ts" in "cats." This letter is essential for distinguishing words in Romanian, as it can change the meaning of a word entirely. In written form, "ț" is derived from the letter "t" with a comma below it. This diacritical mark helps indicate the specific pronunciation required in Romanian. The letter is commonly found in various Romanian words, such as țară (country) and mâncare (food), highlighting its importance in the language.