This is the 521st most frequent Arabic word.
خلفية
Background.
Here, the word 'خلفية' refers to the visual background of something, in this case, a picture.
الخلفية في هذه الصورة جميلة للغاية.
The background in this picture is very beautiful.
In this usage, 'خلفية' pertains to someone's educational or experiential background in a specific domain.
لديه خلفية قوية في مجال البرمجة.
He has a strong background in the field of programming.
This context uses 'خلفية' to mean the design or theme setting of a presentation slide or visual layout.