This is the 19th most frequent Bulgarian word.
г
The Bulgarian word "г" is an abbreviation for "година" (year) or "го" (him/it) depending on the context.
Here, "г" is used as an abbreviation for "година" which means "year" in English.
Тази книга беше написана през 1995 г.
This book was written in 1995.
Once again, "г" is being referred to as a specific letter of the alphabet, providing a linguistic example.
Научих, че "г" се използва също в този смисъл.
I learned that "g" is also used in this sense.
In this sentence, "г" is referring to a letter, explicitly "g" in Bulgarian.