This is the 9303rd most frequent Turkish word.
yazması
The Turkish word "yazması" means "writing" or "the act of writing."
Here, "yazması" acts as the gerund form of "to write" (writing) used as the subject of the sentence to express the act of writing in general.
Bir günün hikayesini yazması uzun sürer.
Writing the story of a day takes a long time.
In this sentence, "yazması" is used as a gerund to specify the act of writing in relation to an impression caused by the action.
Bu kadar güzel bir mektup yazması beni çok etkiledi.
Writing such a beautiful letter greatly impressed me.
Here, "yazması" implies the action of "writing" referentially to describe the act of someone addressing another person, showing intention or relationship.