They are letters of the alphabet that generally stand for sounds made with an open or partially open mouth
Consonants
There are two vowels in the word "rapid". Those vowels are 'a' and 'i'.
There are two vowels in 'table'. Those vowels are 'a' and 'e'.
The mark used above vowels in some foreign languages is called a diacritic or accent mark. It can indicate things like tone, stress, or pronunciation changes in the vowel.
Not necessarily. The so-called "long" vowels a, i and o make the diphthongs e+i, a+i and o+u respectively. Also, "long" u has a y-glide: yu
Vowels
There isn't any natural language composed only of vowels.
The letters that are not vowels are called consonants. The vowels are A,E,I,O and U. Everything else is a consonant.
It is called a Bar Mitzvah and no, the Torah contains no vowels.
Consonants
Consonants
The symbol for a short vowel is a U-shaped curved line across the top, called a breve.The corresponding symbol for long vowels is a flat bar called a macron.
long vowels and short vowels are both just vowels they can't have more or less of themselves
It is literally called: Dotted Text or Menukad (מנוקד) in Hebrew
There are two vowels in the word "rapid". Those vowels are 'a' and 'i'.
There are two vowels in 'table'. Those vowels are 'a' and 'e'.
Data' is a word spelled with alternating consonants and vowels. Other words with this consonant and vowel pattern are bonobo and tomato.