How to properly split a task?

Question

Programming

How to break a task into subtasks when solving?

Answer 1

Start by setting the task and consistently ask yourself and others "what needs to be done to make it work" to the answers again ask the same question until everything is clear.
Cleverly called "decomposition" and there are various articles on this topic. For example, here are 8 task decomposition methods

Answer 2

Make a plan

Answer 3

It all depends on the organization of problem solving that you have adopted. You can break it down by specialization of employees, by days, hours, functionality, etc.
Also read about the principle of setting SMART goals. I think this will help you too.