Being aware of your presence as well as physical presence of others. what does this mean?

This means you're alert to your situation and those around you.

clerical work ensures that an office runs smoothly. it involves the day-to-day administrative tasks of an office, such as answering phones, scheduling appointments, sending faxes, and filing documents. office clerks and secretaries need to have particularly strong clerical skills.

explanation:

see u later bae lol