lexicographic order meaning code example

Example 1: define lexicographic

a generalization of the way words are alphabetically ordered based on the alphabetical order of their component letters.

Example 2: lexicographical order

lexicographical order is alphabetical order. The other type is numerical ordering. Consider the following values,

1, 10, 2
Those values are in lexicographical order. 10 comes after 2 in numerical order, but 10 comes before 2 in "alphabetical" order.