Anise liqueur: Anisette, or Anis, is an anise-flavored liqueur that is consumed in most Mediterranean countries. It is colorless, and because it contains sugar, is sweeter than dry anise flavoured spirits (e.g. absinthe). The most traditional style of anisette is that produced by means of distilling aniseed, and is differentiated from those produced by simple maceration by the inclusion of the word distilled on the label. And while Pastis is a similar-tasting liqueur that is prepared in similar fashion and sometimes confused with anisette, it employs a combination of both aniseed and licorice root extracts. Sambuca is essentially an anisette of Italian origin that requires a high minimum (350g/l) sugar content. The liqueur is often mixed with water or poured over ice cubes because of its strong flavour.
Simple syrup: Simple syrup (aka sugar syrup, or bar syrup) is a basic sugar-and-water syrup used by bartenders as a sweetener to make cocktails. Simple syrup is made by stirring granulated sugar into hot water in a saucepan until the sugar is dissolved and then cooling the solution. The ratio of sugar to water is 1:1 by volume for normal simple syrup, but can get up to 2:1 for rich simple syrup. For pure sucrose the saturation limit is about 5:1 (500 grams (18 oz) sucrose to 100 millilitres (3.5 imp fl oz; 3.4 US fl oz) water).