inset
nounUK /ˈɪn.set/
US /ˈɪn.set/
A small picture or piece that is put inside a bigger one.
The map has an inset showing the tiny islands.
OTHER MEANINGS
2. A small extra page or section placed inside a book or magazine.
The magazine included a colorful inset about animals.
3. A piece of material set into the surface of something else.
The table has a glass inset in the middle.
4. To put something inside something else.
They will inset the new window into the wall.