How to make subpoint in libre office?

Question

ubuntu

Dratuti, I want to make several sub-items in the document in the list, how is this implemented, Thank you!
Example (but here it is 2, a, b ...; and I want 2, 2.1, 2.2 ...)

1. First point
   
2. Point two
   1. Subclause 2.1
   2. Subclause 2.2
   3. Subclause 2.3
      
   
   
3. Last item
   

Answer 1

Tabulation - to increase the depth of the list, Shift + Tab - to decrease. The rest is in the style settings.