Grand Marnier

Grand Marnier is a French liqueur brand. Their most well known product is Grand MarnierCordon Rouge, an Orange flavoured liqueur created by Alexander Marnier Lapostolle in 1880.
It is made from a blend of Cognac brandy, distilled essence of bitter orange and sugar. It is 40% ABV or 80 proof in USA.

Grand Marnier is a French Brand of liqueurs. The most well-known product is the Grand Marnier Cordon Rouge, an orange flavoured liqueur made from a blend of Cognac, brandy, distilled essence of bitter Orange and sugar. The Cordon Rouge was created in 1880 by Alexander Marnier-Lapostolle. It has 40% ABV.
Grand Mariner is full of rich, complex flavours and intrigues of the Cognac, and makes cocktails taste. A Grand Mariner is a blend of Cognac and Triple Sec, it's not a traditional Curacao, it's a similar orange liqueur.

Kahlua

Kahlua is a Coffee liqueur is a liqueur produced by steeping roasted coffee, sugar and other ingredients in neutral spirit. The most famous coffee liqueur brands are Kahlua and Tia Maria, Kahlua has been made in Mexico since 1936. Kahlua has a thick buttery taste

Typical ingredients of coffee liqueur include liquor, espresso coffee, roasted coffee bean (and powder), sugar, and vanilla syrup.

The characteristic flavor of coffee along with over a couple of hundreds compounds contribute to the taste of coffee liqueur. Caffeine is a major ingredient of coffee, and also might be a taste factor that influences the complex flavour profile that appeal to coffee liqueur drinkers' palate. Reference - International Journal of Engineering & Advanced Technology (IJEAT)

NOTE: In the absence of a Coffee Liqueur like Kahlua or Tia Maria, to make cocktails with Coffee Liqueur, Coffee Liqueur Syrup can be used as a substitute with the proportionate alcohol substituted with a triple distilled neutral Vodka.

Gold Tequila

Tequila is a distilled beverage, made only from a specific cultivar of Agave Tequilana called 'Weber Azul' or Blue Agave, native to the states of Jalisco, Colima, Nayarit and Aguascalientes in Mexico. The Blue Agave grows above an altitude of 1500 m and are juicy succulents with spiky fleshy leaves.

Tequila is made around the city of Tequila 40 miles northwest of Guadaljara, and in the Jaliscan Highlands of Central Western Mexico. Mexican laws state that Tequila can only be produces in the state of Jalisco and a few limited municipalities in the other Blue Agave growing regions.

Tequila is 35% to 55% Alcohol by Volume (70 and 110 U.S. proof), it must be at least 40% ABV to be sold as Tequila in the USA.

Tequila is a distilled derivative of the pre-Columbian fermented beverage called pulque, made from the Agave plant. When the Spanish conquistadors ran out of their brandy, they started distilling Agave to produce a distilled spirit. This by 1600s was what Don Pedro Sánchez de Tagle, the Marquis of Altamira, began mass-producing in his distillery near modern day Jalisco and came to be known as Tequila.