Which of the following is a process of being aware of and understanding the world?

On the radio, a mixture of talk and music has proven very successful, particularly during _______________

a. morning commute hours b. late-night hours and early morning hours c. the weekends d. lunch hours

A vague term or phrase that is used to cover the real, underlying meaning of an idea is called a ________________________

Fill in the blank(s) with the appropriate word(s).