What does «alfabéticamente» mean in Spanish?

By the order of the alphabet. In the Spanish language this alphabetical order is as follows: A B C D E F G G H I J K L M N Ñ O P Q R S T U V W X Y Z. From this ordered sequence it is possible to alphabetize any word.

Examples of use in Spanish: "ordenar alfabéticamente las siguientes palabras".

"debes buscar en la guía telefónica su apellido; la guía telefónica está ordenada alfabéticamente por apellidos".