Which principal of design refers to the use of visual elements to draw attention to a certain area, usually a focal point, in an artwork?

Which descriptions offer examples of support services workers? check all that apply.sebastian makes sure patients can communicate with medical workers, understand information, and make decisions. miriam schedules appointments for a medical clinic. lena plans a food service program to improve patient nutrition in a healthcare facility. benito cleans and examines a patient’s teeth and gums. jason prepares and cooks food for patients in a hospital. wei examines an athlete who hurt his leg during a competition.

Ineed someone to describe what they mean in the instructions !

(i think my answer is a, am i correct? ) a pentagonal traffic sign is a sign. a. school crossing b. parking c. wrong way d. yield