Final answer:
The freshness, sparkle, and spontaneity in theater are influenced by the director's vision, actors' performance, lighting design, and audience's reactions.
Step-by-step explanation:
The freshness, sparkle, and spontaneity in theater are produced by a combination of factors, including the director's vision, the actors' performance, the lighting design, and the audience's reaction. The director's role is to interpret the script, create a vision for the production, and guide the actors to deliver consistent performances. The lighting design helps create atmosphere and expression on stage, while the audience's presence and reactions contribute to the energy and engagement of the performance.