Resolved
using tabulation :
Clicking the downward pointing arrow to open the dialog box for the paragraph
settings.
Then I Clicked the Tabs...
button at the bottom of the dialog box.
I read online :
Under Tab stop position
, type a number that corresponds to the number of inches you want the line to extend from the left margin.

Clear All button
pressed on default for prevention
- I've put 18cm on
Tab stop Position
and on Default Stop
I've set 1.25cm
- Then on
Alignment
I left the left position
- The
Leader
is set on the 4rth selection "_ _ _"
- Starting to press enter and tab until the end of page
Then this is the ✨result ✨:

Thanks very much y'all for all the help and clarifications, means very much to me,
owe you