Historically, the consonants "beth", "gimel", "daleth", "kaf", "pe" and "tav" each had two sounds: one hard (plosive), and one soft (fricative), depending on the position of the letter and other factors. When vowel diacritics are used, the hard sounds are indicated by a central dot called "dagesh" (), while the soft sounds lack a "dagesh". In modern Hebrew, however, the "dagesh" only changes the pronunciation of "bet", "kaf", and "pe", and does not affect the name of the letter. The differences are as follows: