What is the primary purpose of Maria's message to her supervisor about being sick?

The primary purpose of Maria's message to her supervisor about being sick is to inform her supervisor. By sending the message, Maria is ensuring that her supervisor is aware of her current inability to work due to illness. This communication is crucial in a professional setting, as it helps to maintain transparency and allows the supervisor to manage workloads or tasks accordingly in Maria's absence. Informing the supervisor is an essential component of workplace responsibility, as it keeps the team informed about changes in availability and enables proper planning.

While requesting a day off, explaining the illness, or seeking understanding may occur alongside informing her supervisor, those actions are secondary to the main goal of ensuring her supervisor is aware of her situation. The essence of the communication is to convey the key information that impacts her role and the work environment.