Meanings of "explicate"
1.Analyze and develop (an idea or principle) in detail.
2, Analyze (a literary work) in order to reveal its meaning.
Example: The lecturer had to explicate the Shakesperean play.
Meanings of "evolve
1. Develop gradually, esp. from a simple to a more complex form.
(with reference to an organism or biological feature)
2. Develop over successive generations, especially as a result of natural selection.
Example: Some people believe that humans evolved from apes.