This is the 678th most frequent Croatian word.
govoriti
To speak.
The word 'govorio' is employed in the past tense to describe the act of discussing or narrating topics, here about travels.
On govorio o svojim putovanjima.
He was talking about his travels.
The word 'govorim' is used here as a verb to indicate the capability or habit of speaking a particular language, in this case English.
Ja govorim engleski.
I speak English.
The word 'govorite' is used as an imperative form, asking the listener to adjust their speed of speaking to be slower for clarity.