This document discusses different types of meringues including French, Swiss, and Italian meringues. French meringue is made by whipping egg whites and adding sugar in small amounts. Swiss meringue involves whipping egg whites over a warm water bath and adding sugar. Italian meringue results in the most stable meringue as hot sugar syrup is added to whipped egg whites. The document also covers factors that affect meringue stability and common uses such as toppings for cakes, macaroons, and pavlova.