Original: The Waffen-SS was made up of several subgroups: The Hitler's personal bodyguard (German: Leibstandarte) The Death's - Head Division that comprised guards from the (German: SS-TV).
Simplified: The Waffen-SS was made up of three smaller groups The Hitler's personal bodyguard (German: Leibstandarte) The Death's - Head Battalions (German: Totenkopfverbände) that ran the concentration camps.