To do something because it makes you feel good or because you hope to gain something from it. What does it mean to act out of duty? Kant says this means that we should act from respect for the moral law. How do we do that? We must know what the moral law is. How do we know that? We use the Categorical Imperative.
PLLC is the abbreviation for a Professional Limited Liability Company. A PLLC is a limited liability company organized to provide professional services. Generally, state laws mandate professions such as doctors, accountants, lawyers, engineers, and architects to hold a license to provide services.
The OD stands for Doctor of Optometry. The PLLC is an organization that many physicians belong to that protects doctors against law suits, liability, etc. PLLC = Professional Limited Liability Corporation. Physicians and other professionals may incorporate and form a PLLC to protect personal possessions in the event of litigation.