Al-Ta: is one of the whispered letters, and its articulation is at the tip of the tongue and the origins of the upper front teeth, and it is one of the naa letters (what appears from the upper cavern, which is the skin attached to the bone of the palate), and the Taa, the Dal, and the Thaa are three in one space and indicate the feminine form such as:, he wrote and she wrote, and writer (male), writer (female) and the open Taa is written with the verb, and the round Taa is written with the noun, and it was called Feminine Haa; as it is pronounced as sound (h), and linguists mentioned fifteen types of it, and they gave details about it in the books of grammar and morphology,The ta is of great plurality and great importance in the Arabic language, and its number reaches fifteen types, as it came in the books of grammar and this topic is not without the controversies between the linguists that sourced from indicating its types, describing its signs and determining its meanings. Therefore, we mentioned these types with brief explanation and providing proverbs, by relying on the grammatical and morphological sources, and we looked closely at the prominent types and separated the saying about them, and there are other types that were less mentioned in the sources, as we sufficed to mention their names with a brief explanation, and we identified Surah "Sad" because of the majority of the type of material studied in it.