Answer:
words and actions.
Step-by-step explanation:
From this excerpt of Wonder by R.J Palacio, he narrates the relationship that exists between Zachary and Alex towards August.
He first describes their feelings through actions as "they do not see often" and they have made new friends. The author goes further to help readers understand the feelings through words as he explains that they are still nice to August and always say "hello" whenever they see him.