All chords in western music can be grouped into 1 of 4 chord families. The main difference between families (theory wise) are the triads or main 3 notes that makes up the core chord structure. The numbers listed next to the chord family name indicate the interval makeup of that family.
Dominant 13 - 13 - (1-3-5-b7-9-13)
Dominant 7 Flat 9 - 7b9 - (1-3-5-b7-b9)
Dominant 7 Sharp 5 - 7#5 - (1-3-#5-b7)
Dominant 7 Sharp 5 Flat 9 - 7#5b9 - (1-3-#5-b7-b9)
Dominant 7 Sharp 5 Sharp 9 - 7#5#9 - (1-3-#5-b7-#9)
Dominant 7 Sharp 9 - 7#9 - (1-3-5-b7-#9)