What does "subtask" mean?

An act that must be completed as an element of completing a larger and more complex task.

What is a synonym for "subtask"?

Common synonyms include: data task.

noun

noun ·Rare ·Advanced level

Noun

1
An act that must be completed as an element of completing a larger and more complex task.
"Holonyms: task, job, project"

From sub- + task.