The word "Tanakh" is the combination of all the Jewish prophets, including the Torah. The Tanakh is learned 1) because of the mitzva (Divine precept) to learn the prophecies, 2) because it contains...
Using " Has " is referred a past tense. Such as: He has taken the garbage out already. Using " Is " for example is referred a Present tense. Such as: He is taking out the garbage.