Final answer:
The costumes were unique because they were made to look like characters from the friends' favorite stories. Costumes in theatre are an important design component that provide necessary information about the time period and characters to the audience. Greek theatre costumes included clothing such as tunics and cloaks, as well as masks with exaggerated facial expressions.
Step-by-step explanation:
The costumes were unique because they were made to look like characters from the friends' favorite stories. According to the passage, costumes in theatre are an important design component that provide necessary information about the time period and characters to the audience. Costumes can also communicate a character's personality, wealth, age, and more. For example, in Greek theatre, costumes consisted of typical clothing such as tunics and cloaks, as well as masks with exaggerated facial expressions.