This is the 8635th most frequent Japanese word.
散りばめ
"散りばめ" (chiribame) means "to scatter, stud, or sprinkle."
The word '散りばめ' refers to the notion of decorating or embedding scattered elements (in this case, stars) onto something.
この絵には星が散りばめられている。
This painting is adorned with scattered stars.
Here, '散りばめ' illustrates the inclusion of specific elements (humor) throughout the speech.
彼の話にはユーモアが散りばめられている。
His speech is infused with humor.
'散りばめ' in this context conveys the idea of particles (light) being scattered or spread, creating a sparkling effect.