Strong familiarity with the business

Further understanding of the business:
Now, I finally understand that I have a strong understanding of the entire system,
I have never felt at all before, and now I am familiar with all the basic things in place,
A little detail is enough.
Finally, I realized the cost of a tester. And now, extremely sensitive to business
Where will it take me?
I hope that I can familiarize myself with the background services as soon as possible. Without the background, there will be no precision.
A grasp

 

Now:

There are several tasks listed in front of me:

Familiarity with automated testing

Things behind the program