Definitions

1. gerund

the act of performing something

“My doing the dishes is the least I can do to help out.”

2. noun

an action or task, especially one that is being performed or about to be performed

“What’s the main doing on this project?”

3. verb

to perform or accomplish something

“They’re doing their best to finish the project on time.”

4. verb

to engage in an activity or occupation

“She’s doing social work to help people in need.”