TABS

hi anto and welcome

if you look at the tab it shows thesix strings. the top string being the high E, as in the thinnest string.
each number denotes what fret is getting played. If you see the number 0 that means the string is played open.
Sometimes on tab it shows a chord too, so if it looks like a chord just hold it down, and tab the notes.

-----o------------
--------2-----------
---1---------3---
-------------------
---------------------
--------------------
so this shows  first fret on the G string getting played, then the high E getting played open the n2nd fret on the B string then 3rd fret on the G string

hope that helps

Ken