Final answer:
Alertness refers to being attentive and quick in recognizing what is happening in one's environment, especially in customer service settings.
Step-by-step explanation:
Being aware of your surrounding and what customers are doing is referred to as alertness. Alertness means being attentive and quick to recognize potential issues or opportunities in the environment, which is an essential trait for anyone in customer service or retail environments. For instance, a salesperson must be alert to shoppers who appear to need help or to situations that require immediate attention, like a spill or a safety hazard.